TW201422114A - Server rack system and server - Google Patents

Abstract

A server rack system including a plurality of servers, a centralized power supply module and a network communication line assembly is provided. Each server includes a case having a space, a plurality of main board modules disposed inside the space side by side and each main board module having a power port and a network port, and a docking module having a power distribution circuit and a network distribution unit. The power distribution circuit is electrically connected to the centralized power supply module for getting power and distributing the power to the power port of each main board module. The network distribution unit is connected to each network port and the network communication line assembly for managing data exchange information between each main board module and the network communication line assembly.

Description

Server rack system and server

The present invention relates to a server rack system and a server, and more particularly to a server rack system and server having a high operational density and storage density.

The server is the core computer that serves each computer in the network system. It can provide the functions of the disk and printing services required by the network users, and also allows each client to share resources in the network environment with each other. The basic structure of the server is roughly the same as that of a general personal computer. It consists of a central processing unit, a memory, and an output/input device, and is connected internally by a bus. The central processing unit and the memory are connected through the north bridge chip, and the output/input devices are connected through the south bridge chip.

The appearance of the current server is designed according to a unified standard and is used in conjunction with the server rack system. Flat-structured servers are currently quite common and can be pushed or pulled into the rack of a server rack system as a drawer to increase space usage. Although the above-mentioned architecture of the server and server rack system is more traditional than that of a server that has been accommodated in the same space, how can the server density and storage density be further improved to effectively increase the overall operation. Effectiveness is still the goal of all efforts at present.

The invention provides a server rack system and a server, and the server The combination of the server rack system increases the computing density and storage density, and the server can obtain power and perform network communication functions through the server rack system.

The invention provides a server rack system comprising a plurality of servers, a power supply centralization module and a network communication line integration. These servers are suitable for assembly in a rack. The power supply centralization module takes power from outside the rack and distributes the power to these servers. Network communication lines integrate network information that connects these servers. The server includes a chassis, a plurality of motherboard modules, and a pair of modules. The chassis has a receiving space and a first side. The motherboard modules are arranged side by side in the accommodating space, and each motherboard module has a power port and a network port. The docking module has a power distribution circuit and a network distribution unit, and the docking module is disposed on the first side of the chassis. The power distribution circuit is electrically connected to the power ports of the motherboard modules, and the network distribution unit is connected to the network ports of the motherboard modules. When the server is assembled in the rack, the power distribution circuit is electrically connected to the power supply centralization module, and the power supply module is used to obtain power and distribute to each motherboard module. The network distribution unit is connected to the network communication line integration to manage network data exchange information between each motherboard module and the network communication line integration.

In an embodiment of the present invention, the server further includes a plurality of adapter boards, and the adapter boards are disposed in the accommodating space corresponding to the motherboard modules, and the adapter boards are respectively connected to the docking module and the host The board module is configured to connect the power distribution circuit with the power port of the motherboard module, the network distribution unit, and the network port of the motherboard module.

In an embodiment of the invention, the chassis has a first side opposite to the first side The second side of the surface further includes at least one limiting rib, and the motherboard modules are adapted to slide along the at least one limiting rib from the second side toward the first side to insert the adapter plates.

In an embodiment of the present invention, a rack management module is further included. The network ports of the motherboard modules respectively include a management network port, and the network distribution units are connected to the management network ports and managed through the management. The network port obtains the running status information of the motherboard modules, and integrates the running status information into the rack management module through the network communication line.

In an embodiment of the present invention, the servers further include a plurality of expansion units electrically connected to the motherboard modules, each expansion unit includes at least one output interface or at least one input interface, and the chassis has a relative One of the two sides of the second side, each output interface or each input interface is exposed on the second side of the chassis; wherein the network ports of the motherboard modules further include a service network port, and the service network ports are also exposed to the chassis Two sides.

In an embodiment of the present invention, in one of the servers, the network distribution unit respectively identifies a network address corresponding to the network port of the motherboard module to which it is connected, and receives the rack management. A data packet sent by the module, and the data packet is sent to the corresponding motherboard module according to the correspondence between the data packet and the network address.

The invention provides a server suitable for being assembled in a rack, the rack comprising a power supply centralized supply module and a network communication line integration. The power supply centralization module obtains power from outside the rack and distributes the power to the server, and the network communication line integrates the network information of the server. The server includes a chassis, a plurality of motherboard modules, and a pair of modules. The chassis has a housing space With a first side. The motherboard modules are arranged side by side in the accommodating space, and each motherboard module has a power port and a network port. The docking module has a power distribution circuit and a network distribution unit. The docking module is disposed on the first side of the chassis, the power distribution circuit is electrically connected to the power ports of the motherboard modules, and the network distribution unit is connected to the motherboard modules. Group network port. When the server is assembled in the rack, the power distribution circuit is electrically connected to the power supply centralization module, and the power supply module is used to obtain power and distribute to the motherboard modules. The network distribution unit is connected to the network communication line integration to manage the network data exchange information between the motherboard modules and the network communication line integration.

In an embodiment of the present invention, at least a plurality of adapter boards are disposed, and the adapter boards are disposed in the accommodating space corresponding to the motherboard modules, and the adapter boards are respectively connected to the docking module and the motherboard modules. The group is configured to connect the power distribution circuit with the power port of the motherboard module, the network distribution unit, and the network port of the motherboard module.

In an embodiment of the invention, the chassis has a second side opposite to the first side, and the chassis further includes at least one limiting rib, and the motherboard modules are adapted to be respectively along the at least one limiting rib by the second Slide the sides toward the first side to insert these adapter plates.

In an embodiment of the present invention, the rack further includes a rack management module, wherein the network ports of the motherboard modules respectively include a management network port, and the network distribution units are connected to the management network ports. Obtain the running status information of these motherboard modules through these management network ports, and integrate these running status information into the rack management module through the network communication line. group.

In an embodiment of the present invention, a plurality of expansion units are further electrically connected to the motherboard modules, each expansion unit includes at least one output interface or at least one input interface, and the chassis has one of the first side On the two sides, each output interface or each input interface is exposed on the second side of the chassis. The network ports of these motherboard modules further include a service network port, and these service network ports are also exposed on the second side of the chassis.

In an embodiment of the present invention, the network allocating unit respectively identifies a network address corresponding to a network port of the motherboard module to which the motherboard module is connected, and receives a data packet sent by the rack management module. And sending the data packet to the corresponding motherboard module according to the correspondence between the data packet and the network address.

Based on the above, the server rack system of the present invention obtains power from the outside of the rack through the power supply centralized supply module and distributes the power to the server placed on the rack, and integrates through the network communication line to manage the placement on the rack. Network data exchange information of the motherboard module of the server. In addition, the motherboard module of the server of the present invention is integrated with the power supply centralization module and the network communication line of the server module system through the docking module, and the network communication line is not required to be disposed inside the server chassis. The power module allows more space for the motherboard module or storage unit to increase the computing density and storage density of the server. In addition, the chassis of the server of the present invention is configured to pass through the limiting ribs, and the motherboard module can slide along the limiting rib toward the first side when inserted into the chassis to insert the adapter plate and connect to the docking module. The electrical connection to the power supply centralized supply module and the network communication line integration can eliminate the need to connect or unplug the docking module and the motherboard module with the transmission line. Cheng, increase the convenience of plugging and unplugging the motherboard module.

The above described features and advantages of the present invention will be more apparent from the following description.

1 is a partial schematic view of a server rack system in accordance with an embodiment of the present invention. In FIG. 1, to clearly show the arrangement relationship between the server 100 and the chassis 12 in the server rack system 10, only two of the layers of the chassis 12 are shown, but the number and pattern of the chassis 12 Not limited to this.

Referring to FIG. 1, the server rack system 100 of the present embodiment includes a rack 12, a power supply centralization module 14 and a network communication line integration 16. The power centralization supply module 14 and the network communication line integration 16 are disposed on one side of the rack 12. A plurality of servers 100 are adapted to be placed within the frame 12. The power centralization supply module 14 can draw power from outside the rack 12 and distribute the power to the servers 100 placed on the rack 12. The network communication line integration 16 is connectable to the network information of the servers 100 placed on the chassis 12.

2 is a schematic diagram of an internal configuration of a server in accordance with an embodiment of the present invention. The server 100 of the present embodiment is adapted to be placed in the server rack system 10 described above. Referring to FIG. 2 , the server 100 of the embodiment includes a chassis 110 , a plurality of motherboard modules 120 , and a pair of modules 130 . The chassis 110 has an accommodating space 112 and a first side surface 114. The motherboard modules 120 are disposed side by side in the accommodating space 112. Each of the motherboard modules 120 has a power port 122 and a network port 124. Docking module 130 There is a power distribution circuit 132 and a network distribution unit 134. The docking module 130 is disposed on the first side 114 of the chassis 110. The power distribution circuit 132 is electrically connected to the power ports 122 of the motherboard modules 120. The network distribution unit 134 is connected to the network ports 124 of the motherboard modules 120.

As shown in FIG. 1 and FIG. 2, when the server 100 is assembled to the chassis 12, the power distribution circuit 132 of the server 100 is electrically connected to the power supply centralization module 14 of the server rack system 10. The power is supplied from the power supply centralization module 14 of the server rack system 10 and distributed to each of the motherboard modules 120 of the server 100. Moreover, the network distribution unit 134 of the server 100 is coupled to the network communication line integration 16 of the server rack system 10 to manage network data exchange information between the motherboard modules 120 and the network communication line integration 16. .

Moreover, in the present embodiment, the server rack system 10 further includes a rack management module 18. The network ports 124 of the motherboard modules 120 respectively include a management network port 124a. The network distribution units 134 are connected to the management network ports 124a and obtain the operating states of the motherboard modules 120 through the management network ports 124a. Information and summarizing these operational status information to the rack management module 18 via the network communication line integration 16. The user can obtain the network information of each server 100 placed on the rack 12 in the rack management module 18 of the server rack system 100.

Additionally, within one of the servers 100 in the server rack system 10, the network distribution unit 134 identifies a network address corresponding to the network port 124 of the motherboard module 120 to which it is connected, the receiver a data packet sent by the shelf management module 18, and corresponding to the network address according to the data packet The relationship sends the data packet to the corresponding motherboard module 120.

As shown in FIG. 2, the number of the motherboard modules 120 of the server 100 of the embodiment is two, and the width of each motherboard module 120 is about half the width of the chassis 110, so that the two motherboard modules 120 are It is placed in the chassis 110 at the same time. In other embodiments, the smaller-sized motherboard module 120 can be placed in the chassis 110 of the server 100. Thus, the chassis 110 can accommodate more motherboards 130, further improving the server 100. Operational density.

In addition, in the embodiment, the server 100 further includes a plurality of adapter boards 140. The adapter boards 140 are disposed in the accommodating space 112 corresponding to the motherboard modules 120. The adapter boards 140 are respectively connected to the docking board. The module 130 and the motherboard module 120 are configured to connect the power distribution circuit 132 with the power port 122 of the motherboard module 120, the network distribution unit 134, and the network port 124 of the motherboard module 120. The adapter board 140 is configured to directly connect to the docking module 130 when the motherboard module 120 is inserted into the chassis 110. In this embodiment, the number of the adapter plates 140 corresponds to the number of the motherboard modules 120. As shown in FIG. 2, the number of the adapter plates 140 of the server 100 of the present embodiment is two. The adapter board 140 is electrically connected to the docking module 130 through the transmission line, and the adapter board 140 is disposed at a position corresponding to the motherboard module 120 when the motherboard module 120 is located in the chassis 110.

In addition, the chassis 110 has a second side 116 opposite to the first side 114. The chassis 110 further includes at least one limiting rib 118. The motherboard modules 120 are adapted to be respectively along the at least one limiting rib 118 from the second side 116. Slide in the direction of the first side 114 to insert the adapter plates 140. As shown in FIG. 2, the limiting ribs 118 of the embodiment are located between the two motherboard modules 120. The two motherboard modules 120 are slid along the sides of the limiting ribs 118 and the inner side of the chassis 110 toward the first side 112 to interface with the adapter plate 140.

The arrangement of the limiting ribs 118 and the adapter plate 140 allows the user to electrically connect the motherboard module 120 to the docking module 130, eliminating the need to insert the motherboard module 130 into the chassis 110 and the chassis 110. A side 114 is opened to connect the transmission line to the motherboard module 120 and the docking board 130, and the like, greatly increasing the convenience of use.

As shown in FIG. 1 , the power supply centralization module 14 of the present embodiment and the network communication line integration 16 are located in the same casing. The docking module 130 of the server 100 is directly connected to the casing and can be electrically connected to the power source at the same time. The centralized supply module 14 is integrated with the network communication line 16 to enable the server rack system to provide power and network information to the server 100.

Although only two of the racks 12 of the server rack system 10 are depicted in FIG. 1, the number of layers of the rack 12 is not limited thereto, and each layer of the rack 12 can be as shown in FIG. The server 100 is housed. That is to say, all the servers 100 located on the rack 12 can be electrically connected to the power supply centralized module 12 of the server rack system 10 through the docking module 130 and the network communication line 14 respectively. The server rack system 10 provides network communication and power to these servers 100.

When the server 100 is placed on the rack 12 of the server rack system 10, the power distribution circuit is electrically connected to the power supply centralization module, and the network distribution unit is connected to the network communication line of the rack. Therefore, the server rack system can provide power and network communication to the server 100. server Inside the 100-chassis 110, there is no need to set up power and network communication equipment. Therefore, the chassis 110 of the server 100 can provide more space for the motherboard 130 or other components to be accommodated, thereby improving the computing density and performance of the server 100.

In addition, as shown in FIG. 1 , the server 100 further includes a plurality of expansion units 150 respectively electrically connected to the motherboard modules 120 . Each expansion unit 150 includes at least one output interface 152 or at least one input interface 154 . The interface 152 or each input interface 154 is exposed to the second side 116 of the chassis 110. In this embodiment, the network port 124 of the motherboard module 120 further includes a service network port 124b. The service network ports 124b are also exposed on the second side 116 of the chassis 110.

In this embodiment, the transmission interface of the output interface 152 or the input interface 154 of the expansion unit 150 may be Serial ATA (Serial Advanced Technology Attachment, SATA), Integrated Drive Electronics (IDE), and peripheral component interconnection ( Peripheral Component Interconnect (PCI-E) or Universal Serial Bus (USB), etc., but the transmission interface of the output interface 152 or the input interface 154 of the expansion unit 150 is not limited to the above.

The server 100 of the embodiment is disposed on the second side 116 by the output interface 152 or the input interface 154, and the docking module 130 is disposed on the first side 114 of the chassis 110. When the server 100 is placed on the rack 12 When the first side 114 of the server 100 is pushed inwardly into the frame 12, the docking module 130 of the server 100 is directly connected to the power supply centralization module 14 and the network communication line of the server rack system 10. Integration 16. And because The output interface 152 or the input interface 154 of the expansion unit 150 is exposed on the second side 116 of the chassis 110. When the server 100 is placed on the frame 12, the second side 116 is located on the outer side of the frame 12, which is convenient for the user. The external device is inserted into the output interface 152 or the input interface 154 at the second side 116.

In addition, in the embodiment, the server 100 further includes a plurality of storage units 160. The storage unit 160 is disposed in the chassis 110 and electrically connected to the motherboard module 120. As shown in FIG. 2 , some of the storage units 160 are disposed between the motherboard module 120 and the first side 112 of the chassis 110 , that is, the position above the adapter plate 140 . Since the thickness of the adapter plate 140 is small, there is still excess space above the server 100. The server 100 of this embodiment configures the storage unit 160 to increase the storage capacity of the server 100. As shown in FIG. 2, the storage unit 160 above the adapter plate 140 is a 3.5-inch hard disk. A total of four storage units 160 are disposed above the two adapter plates 140. However, the type and number of the storage units 160 are not limit.

In FIG. 2, the motherboard 130 of the server 100 is shielded by the housing. Please refer to FIG. 3 and FIG. 4 for the configuration of the motherboard module of this embodiment. 3 is a schematic diagram of one of the motherboard modules of the server of FIG. 1. 4 is a schematic diagram of another motherboard module of the server of FIG. 1. Each motherboard module 120 includes at least one heat source 126 and at least one heat dissipation module 128.

In this embodiment, each motherboard module 120 has two heat sources 126, and the heat source 126 is a central processing unit, but the type of the heat source 126 is not limited thereto. The heat dissipation module 128 of the present embodiment includes heat dissipation fins disposed near the heat source 126 to take the hot water source 126 in a hot contact manner. The heat source 126 of FIG. 3 is staggered on the motherboard module 120, and two heat modes Groups 128 are located on one side of the two heat sources 126, respectively. The heat source 126 of FIG. 4 is arranged in parallel on the motherboard module 120, and the four heat dissipation modules 128 are respectively located on both sides of the two heat sources 126. 3 and 4 show only two aspects in which the heat source 126 and the heat dissipation module 128 are disposed on the motherboard module 120. The configuration of the heat source 126 and the heat dissipation module 128 on the motherboard module 120 is not limit.

In FIG. 3, the type of the storage unit 160 is a 3.5-inch hard disk. In FIG. 4, the type of the storage unit 160 is 2.5 吋 hard disk or solid state hard disk, and the type and number of the storage unit 160 are not limited thereto. There is a channel in the middle of the two storage units 160 of FIG. 4, and the heat generation of the heat source 126 is removed through the channel, but the configuration of the storage unit 160 on the motherboard module 120 is not limited thereto.

In addition, in the embodiment, the storage unit 160 is disposed on one side of the heat source 126 and the heat dissipation module 128 of the motherboard module 120. The expansion unit 150 is disposed on the motherboard 1200 and the heat source 126 and the heat dissipation module 128. The other side. In other embodiments, the storage unit 160 can also be disposed on the two sides of the heat source 126 and the heat dissipation module 128 of the motherboard module 120, that is, the location where the expansion unit 150 is located can also be replaced with the storage unit 160 as needed. The storage density of the server 100 is increased. However, the arrangement relationship between the storage unit 160, the expansion unit 150, and the motherboard module 120 is not limited to the above.

In summary, the server rack system of the present invention obtains power from outside the rack through a centralized power supply module and distributes the power to the server placed on the rack, and integrates through the network communication line to manage the placement. On the rack Network data exchange information of the server's motherboard module. In addition, the motherboard module of the server of the present invention is integrated with the power supply centralization module and the network communication line of the server module system through the docking module, and the network communication line is not required to be disposed inside the server chassis. The power module allows more space for the motherboard module or storage unit to increase the computing density and storage density of the server. In addition, the chassis of the server of the present invention is configured to pass through the limiting ribs, and the motherboard module can slide along the limiting rib toward the first side when inserted into the chassis to insert the adapter plate and connect to the docking module. By electrically connecting to the power supply centralized supply module and the network communication line integration, the process of connecting or unplugging the docking module and the motherboard module by the transmission line can be omitted, and the convenience of plugging and unplugging the motherboard module is increased.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the invention, and any one of ordinary skill in the art can make some modifications and refinements without departing from the spirit and scope of the invention. The scope of the invention is defined by the scope of the appended claims.

10‧‧‧Server Rack System

12‧‧‧Rack

14‧‧‧Power Centralized Supply Module

16‧‧‧Network communication line integration

18‧‧‧Rack Management Module

100‧‧‧Server

110‧‧‧Chassis

112‧‧‧ accommodating space

114‧‧‧ first side

116‧‧‧ second side

118‧‧‧Limited ribs

120‧‧‧ motherboard module

122‧‧‧Power port

124‧‧‧Network port

124a‧‧‧Management network port

124b‧‧‧Service Network Port

126‧‧‧heat source

128‧‧‧ Thermal Module

130‧‧‧Docking module

132‧‧‧Power distribution circuit

134‧‧‧Network Distribution Unit

140‧‧‧Adapter plate

150‧‧‧Extension unit

152‧‧‧ Output interface

154‧‧‧ Input interface

160‧‧‧storage unit

1 is a partial schematic view of a server rack system in accordance with an embodiment of the present invention.

2 is a schematic diagram of an internal configuration of a server in accordance with an embodiment of the present invention.

3 is a schematic diagram of one of the motherboard modules of the server of FIG. 2.

4 is a schematic diagram of another motherboard module of the server of FIG. 2.

10‧‧‧Server Rack System

12‧‧‧Rack

14‧‧‧Power Centralized Supply Module

16‧‧‧Network communication line integration

18‧‧‧Rack Management Module

100‧‧‧Server

110‧‧‧Chassis

114‧‧‧ first side

116‧‧‧ second side

118‧‧‧Limited ribs

124b‧‧‧Service Network Port

130‧‧‧Docking module

132‧‧‧Power distribution circuit

134‧‧‧Network Distribution Unit

150‧‧‧Extension unit

152‧‧‧ Output interface

154‧‧‧ Input interface

Claims (12)

A server rack system includes: a plurality of servers adapted to be assembled in a rack; a power supply centrally supplying modules, obtaining power from the rack and distributing power to the servers; The communication line is integrated to connect the network information of the servers. Each of the servers includes: a chassis having an accommodating space and a first side; and a plurality of motherboard modules disposed side by side in the accommodating space Each of the motherboard modules has a power port and a network port; and a pair of modules having a power distribution circuit and a network distribution unit, the docking module being disposed on the first side of the chassis, the The power distribution circuit is electrically connected to the power ports of the motherboard modules, and the network distribution unit is connected to the network ports of the motherboard modules; wherein, when the server is assembled in the chassis, the power distribution circuit is The power supply is centrally connected to the module, and the power is supplied from the centralized power supply module and distributed to each of the motherboard modules; the network distribution unit is connected to the network communication line to manage the hosts. Network data between the network module integrated with the communication line to exchange information. The server rack system of claim 1, wherein the server further includes a plurality of adapter boards, and the adapter boards are disposed in the receiving space corresponding to the motherboard modules, and the plurality of adapter boards are disposed in the receiving space. The connection board is respectively connected to the docking module and the motherboard module, and is configured to connect the power distribution circuit and the power port of the motherboard module, the network distribution unit, and the motherboard module The network port is connected. The server rack system of claim 2, wherein the chassis has a second side opposite to the first side, the chassis further includes at least one limiting rib, and the motherboard modules are adapted to respectively Slide along the at least one limiting rib from the second side toward the first side to insert the adapter plates. The server rack system of claim 1, further comprising a rack management module, wherein the network ports of the motherboard modules respectively comprise a management network port, and the network distribution units are connected to The management network ports obtain the running status information of the motherboard modules through the management network ports, and integrate the running status information into the rack management module through the network communication line. The server rack system of claim 4, wherein the server further includes a plurality of expansion units electrically connected to the motherboard modules, each of the expansion units including at least one output interface or At least one input interface, the chassis has a second side opposite to the first side, and each of the output interfaces or each of the input interfaces is exposed on the second side of the chassis; wherein the network ports of the motherboard modules are further A service network port is included, and the service network ports are also exposed on the second side of the chassis. The server rack system of claim 4, wherein in the one of the servers, the network distribution unit respectively identifies the network corresponding to the motherboard module to which it is connected a network address of the road port, receiving a data packet sent by the rack management module, and sending the data packet to the corresponding one according to the correspondence between the data packet and the network address The motherboard module. A server adapted to be assembled in a rack, the rack comprising a power supply centralization module and a network communication line integration, the power supply centralization module obtaining power from the outside of the rack and distributing the power to the rack a server, the network communication line integrates network information of the server, the server includes: a chassis having a receiving space and a first side; and a plurality of motherboard modules disposed side by side in the receiving Each of the motherboard modules has a power port and a network port; and a pair of modules having a power distribution circuit and a network distribution unit, the docking module being disposed on the first side of the chassis The power distribution circuit is electrically connected to the power ports of the motherboard modules, and the network distribution unit is connected to the network ports of the motherboard modules; wherein, when the server is assembled in the rack, the power distribution The circuit is electrically connected to the power supply centralization module, and the power supply module is used to obtain power from the power supply and distributed to the motherboard modules; the network distribution unit is connected to the network communication line to integrate These board modules and the network data between the integrated circuit-switched communication network information. The server of claim 7, further comprising at least a plurality of adapter boards, wherein the adapter boards are disposed in the accommodating space, and the adapter boards are respectively connected to The docking module and the motherboard modules are configured to communicate the power distribution circuit with the power port of the motherboard module, the network distribution unit, and the network port of the motherboard module. The server of claim 8, wherein the chassis has a second side opposite to the first side, the chassis further includes at least one limiting rib, and the motherboard modules are adapted to respectively follow the The at least one limiting rib slides from the second side toward the first side to insert the adapter plates. For example, in the server described in claim 7, the rack further includes a rack management module, and the network ports of the motherboard modules respectively include a management network port, and the network distribution unit is connected. And obtaining, by the management network ports, operation status information of the motherboard modules through the management network ports, and integrating the operation status information into the rack management module through the network communication line. The server of claim 10, further comprising a plurality of expansion units electrically connected to the motherboard modules, each expansion unit comprising at least one output interface or at least one input interface, the chassis having Each of the output interfaces or the input interfaces is exposed to the second side of the chassis, and the network ports of the motherboard modules further include a service network port. The service network port is also exposed on the second side of the chassis. The server of claim 10, wherein the network distribution unit respectively identifies a network address corresponding to a network port of the motherboard module to which it is connected, and receives the rack management module to send a data packet, and the data packet is sent to the corresponding motherboard module according to the correspondence between the data packet and the network address.