TWI746315B - Server - Google Patents

Abstract

The present invention provides a server. The server includes: a casing, the casing is provided with a front panel area, the front panel area is provided with at least one layer of removable hard disk driver carrying trays, the removable hard disk driver carrying tray is provided with a carrier board, the carrier board is provided with a PCB backplane, the PCB backplane is provided with a bus interface and at least 2 hard disk connection ports. The at least 2 hard disk connection ports are arranged in an array. The at least 2 hard disk connection ports are connected to a bus interface through the wiring in the PCB backplane. The bus interface is connected to a main board of the server through a first connector. At least one hard disk placement area is further provided on the PCB backplane. The hard disk placement area and the hard disk connection ports are disposed in coordination. The high-density storage server proposed by the present invention greatly saves the time and labor cost of assembly line management.

Description

server

The invention relates to the technical field of server equipment hardware, in particular to a server.

With the continuous development of server equipment, the requirements for server equipment are getting higher and higher. At present, the existing server equipment requires a lot of man-hours to assemble. As the labor cost continues to increase, generally The general server equipment configuration has been unable to meet the needs of customers, which requires the continuous optimization of the server equipment during the design and the reduction of costs.

In view of the above-mentioned problems, the present invention aims to provide a server, which is used to solve the technical problem of high labor cost when assembling the server device in the prior art.

The present invention provides a server. The server includes: a casing; the casing is provided with a front panel area for placing a hard disk drive; the front panel area is provided with at least one layer of a pull-out hard disk drive carrying tray; The disk drive carrier tray is equipped with a carrier board, and the carrier board is equipped with a PCB backplane; the PCB backplane is equipped with a bus interface and at least 2 hard disk connection ports, at least 2 hard disk connection ports are arranged in an array, at least 2 The hard disk connection port is connected to the bus interface through the internal wiring of the PCB backplane, and the bus interface is connected to the main board of the server through the first connector; there is also at least one hard disk placement area on the PCB backplane, and the hard disk placement area is connected to the The hard disk connection ports are located in mutually matched settings.

In one embodiment, a hard disk carrier disk is provided on the hard disk placement area, and the hard disk carrier disk is used to install the hard disk drive; the PCB backboard is provided with at least one through hole in each hard disk placement area; the carrier plate corresponds to Each hard disk placement area is provided with at least one buckle, and the buckles correspond to the through holes on the PCB backplane one by one; the bottom of the hard disk carrier is provided with at least one buckle hole; the buckle on the carrier board After passing through the through hole on the PCB backplane, connect the buckle hole, and the buckle piece is connected with the buckle hole.

In one embodiment, the hard disk carrier includes a bottom for supporting the hard disk drive A bracket, a first positioning bracket and a second positioning bracket; the bottom bracket includes a first side and a second side oppositely arranged, the first positioning bracket is detachably arranged on the first side, and the second positioning bracket is fixed It is arranged on the second side; the first positioning bracket and the second positioning bracket cooperate with each other to realize the fixing of the hard disk drive, and the snap hole is arranged at the bottom of the bottom bracket.

In one embodiment, the front panel area is also provided with at least one layer of built-in sliding rails; the retractable hard disk drive carrying tray realizes the pulling action through the built-in sliding rails.

In one embodiment, the front panel area is also provided with at least one layer of cable racks. The number of layers of the cable racks is the same as that of the pull-out hard disk drive carrying tray. The cable racks and the pull-out hard disk drive carry The trays are arranged in one-to-one correspondence; the first connector includes a bus cable, the bus cable is arranged in the cable rack, and one end of the bus cable corresponds to the cable rack and the removable hard disk drive carries the PCB on the tray The bus interface of the backplane is connected, and the other end of the bus cable is connected to the main board of the server.

In an implementation manner, an expansion chip is also provided on the PCB backplane, and the bus interface is connected to at least two hard disk connection ports through the expansion chip.

In an implementation manner, one or more of a communication interface, a power interface and a SATA HDD interface are also provided on the PCB backplane.

In one embodiment, the casing is further provided with a back panel area, and the back panel area is used to place one or more of the main board, power module, and processor of the server.

In one embodiment, the rear panel area is further provided with a fan frame and several fan modules, the fan frame and the casing are clamped; the fan module and the fan frame are detachably connected.

In one embodiment, a PCIE expansion module is also provided in the rear panel area.

The beneficial effects of the present invention are: the high-density storage server proposed by the present invention proposes a new hard disk drive backplane module design, which eliminates the need for independent wiring for hard disk drive installation in previous products, and reduces assembly The cable loss caused in the process greatly saves the time and labor cost of assembly and management, and improves the efficiency of production, assembly and maintenance. At the same time, the pull-out hard disk drive carrying tray design and the support of the hard disk drive and fan are tool-free disassembly and assembly. Design, further improve server assembly efficiency and reduce labor costs.

The above description of the disclosure and the following description of the embodiments are used to demonstrate and explain the spirit and principle of the present invention, and to provide a further explanation of the scope of the patent application of the present invention.

11: Front panel area

111: Retractable hard drive carrier tray

112: Built-in slide

113: cable rack

114: carrier board

115: PCB backplane

1151: bus interface

1152: Hard Disk Interface

1153: Hard Disk Placement Area

1154: power interface

1155: signal interface

1156: LED interface

1157: support plate

116: hard drive carrier

12: Rear panel area

121: Power Module

122: Fan Module

123: PCIE expansion module

124: Fast non-volatile storage module

125: host bus adapter

2: 3.5 inch hard disk drive

21: second side hole

60: bottom bracket

601: third positioning piece

602: Notch Slot

61: The first positioning bracket

611: The first positioning piece

612: Push button

62: The second positioning bracket

621: second positioning piece

63: Rotary latch

64: snap hole

The present invention will be further explained with the accompanying drawings, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention. For those of ordinary skill in the art, without creative work, other can be obtained according to the following drawings. Attached.

FIG. 1 is a schematic diagram of an exemplary structure of a server according to an embodiment of the present invention.

FIG. 2 is an exemplary schematic diagram of the pull-out structure of the front panel area of the server according to the embodiment of the present invention.

FIG. 3 is a schematic diagram of an exemplary structure of a retractable hard disk drive carrying tray according to an embodiment of the present invention.

FIG. 4 is a schematic diagram of an exemplary structure of the PCB backplane according to the embodiment of the present invention.

FIG. 5 is a schematic diagram of an exemplary structure of the hard disk carrier according to the embodiment of the present invention.

The detailed features and advantages of the present invention will be described in detail in the following embodiments. The content is sufficient to enable anyone familiar with the relevant art to understand the technical content of the present invention and implement it accordingly, and according to the content disclosed in this specification, the scope of patent application and the drawings. Anyone who is familiar with relevant skills can easily understand the purpose and advantages of the present invention. The following examples further illustrate the viewpoints of the present invention in detail, but do not limit the scope of the present invention by any viewpoint.

It should be noted that the illustrations provided in the following embodiments only illustrate the basic idea of the present invention in a schematic manner. The figures only show the components related to the present invention instead of the number, shape and actual implementation of the components. For the size drawing, the type, quantity, and proportion of each component can be changed at will during actual implementation, and the component layout type may also be more complicated.

U is a unit that represents the external dimensions of the server. It is an abbreviation for unit. Details The thin size is determined by the Electronic Industries Association (EIA) as an industry group. The reason for specifying the size of the server is to maintain the proper size of the server so that it can be placed on an iron or aluminum rack. There are screw holes for fixing the server on the rack so that it can match the screw holes of the server, and then fix it with screws to facilitate the installation of the space required for each server. The specified size is a multiple of the width (48.26cm=19 inches) and height (4.445cm) of the server. Because the width is 19 inches, the rack that meets this requirement is sometimes called a "19-inch rack." The basic unit of thickness is 4.445cm. 1U is 4.445cm, and 2U is 8.89cm twice as much as 1U.

Referring to Figure 1, an embodiment of the present invention provides a server. The server includes a chassis. The chassis is provided with a front panel area 11 and a rear panel area 12; The disk drive carrier tray 111 is used to place hard disk drives (HDD: Hard Disk Drive); the rear panel area 12 is used to place the motherboard, power module 121, fan module 122, fan controller, processor, and PCIE expansion module. Group 123, Fast Non-Volatile Memory Express (NVME) module 124, Host Bus Adapter (HBA) module 125 and various interface modules, etc.

The above implementation takes a 2U space server as an example. The 2U space of the server supports 24 hot-swappable 3.5-inch hard disk drives (3.5HDD) and 4 SATA 2.5HDD (2.5-inch SATA hard disk drives) or 4 NVME 2.5HDD (2.5-inch NVME hard drive) and 2 M.2 ports (optionally supporting M.2 NVME or M.2 SATA).

Among them, the 24 3.5-inch hard disk drives in the front panel area of the server adopt the upper and lower two-layer removable hard disk drive carrier tray (TRAY) design, which supports tool-free disassembly.

In one embodiment, referring to FIG. 2, it shows a schematic diagram of a retractable structure that realizes a hard disk drive carrying tray. The server front panel area 11 is provided with a built-in slide rail 112, a retractable hard disk drive carrying tray 111 and The cable rack 113, in which the built-in slide rail 112, the pull-out hard disk drive carrier tray 111, and the cable rack 113 are arranged in two upper and lower layers, and the pull-out hard disk drive carrier tray 111 corresponding to each layer is built-in The slide rail 112 realizes the pulling action, and the cable rack 113 is arranged corresponding to the retractable hard disk drive carrying tray 111, wherein the cable rack 113 It is a foldable structure. When the pull-out hard disk drive carrying tray 111 is pulled out of the front panel area through the built-in slide rail 112, the cable rack 113 is expanded correspondingly. When the pull-out hard disk drive carrying tray 111 passes When the built-in sliding rail 112 is pushed into the front panel area, the cable rack 113 is folded correspondingly under force.

The cable rack 113 is provided with a bus cable, where the bus cable is used to realize the connection between the HDD in the corresponding removable hard disk drive carrier tray 111 and the server main board.

The casing adopts a high-strength design, and the built-in slide rails use high-strength slide rails to ensure the smooth hot-swapping of the HDD on the pull-out hard disk drive carrier tray.

In one embodiment, refer to Figures 3 and 4, which show a schematic structural diagram of a retractable hard disk drive carrying tray. Among them, a single removable hard disk drive carrier tray can accommodate 12 3.5-inch hard disk drives2.

The removable hard disk drive carrier tray includes a carrier board 114 and a PCB backplane 115. The PCB backplane 115 is provided with a bus interface 1151 and 12 hard disk interfaces 1152. The 12 hard disk interfaces 1152 are arranged in an array (for example, 3 rows X 4 columns), each hard disk interface 1152 corresponds to a 3.5-inch hard disk drive 2, where each hard disk interface 1152 is connected to the bus interface 1151 through the internal wiring of the PCB backplane 115, and the bus interface 1151 is through the bus cable Connect to the server's motherboard; for each hard disk interface 1152, the PCB backplane 115 is divided into a corresponding hard disk placement area 1153, of which the area of each hard disk placement area 1153 is the same as that used to place the 3.5-inch hard disk drive 2 The size of the hard disk carrier 116 corresponds to that. Each hard disk placement area 1153 is provided with at least one through hole, and at least one fastener is provided on the carrier board 114 corresponding to each 3.5-inch hard disk drive 2 placement area. The fastener is the same as the through hole on the PCB backplane 115 In a corresponding arrangement, the fasteners pass through the through holes on the PCB backplane 115 and are connected to the snap holes at the bottom of the hard disk carrier 116 to realize the fixation of the hard disk carrier 116 and the carrier 114, and the 3.5-inch hard disk drive 2 It is fixedly placed on the hard disk carrier 116 and connected with the corresponding hard disk interface 1152.

In order to reduce the size of the PCB backplane 115 and reduce the material cost, for the hard disk interface 1152 distributed in the last row of the PCB backplane 115, the hard disk placement area 1153 may not be provided, and the position corresponds to the fastener on the carrier 114 Straight with the snap hole of the hard disk carrier 116 The card is connected to the fixed connection, so as to realize the fixing of the hard disk carrier 116. Fix the 3.5-inch hard disk drive 2 in the hard disk, and connect it to the hard disk interface 1152 in the last row.

In order to increase the stability of the connection between the carrier board 114 and the hard disk carrier 116, at least two fasteners are provided in the carrier 114 corresponding to each hard disk carrier 116 to correspond to at least two buckle holes in the hard disk carrier 116. Cooperate and fix to improve the structural stability of the pull-out hard disk drive carrying tray.

The PCB backplane 115 is also provided with a power interface 1154, a signal interface 1155, an LED interface 1156, etc., to meet the needs of various communication and display functions for the 3.5-inch hard disk drive.

The PCB backplane 115 is also provided with a supporting plate 1157, wherein the supporting plate 1157 is arranged perpendicular to the PCB backplane 115, and the hard disk interface 1152 and the like are fixed on the supporting plate 1157, so that the overall structure of the PCB backplane 115 is more stable.

The above embodiment shows a new design of a removable hard disk drive carrying tray, in which all 12 3.5-inch hard disk drives in each layer of the removable hard disk drive carrying tray do not need to be connected by cables. The bus communication transmits signals and power supply through the internal wiring of the PCB backplane 115, eliminating the need for independent wiring of all the 24 HDDs of the server in the prior art, which greatly saves the time for assembly and management of the production line, and improves Productivity.

In one embodiment, the PCB backplane of the present application is compared with the existing hard disk drive backplane cabling solution. The existing hard disk drive backplane is divided into three pieces, and each hard disk drive needs to lead out a cable to connect to the bus. The wiring path is complicated and there are many branch interfaces. The overall wiring solution through the PCB backplane shown in this application uses a large board (PCB backplane) for all the cables of each hard disk drive to integrate the signal through the repeat chip Expand amplification and integration, save the number of wiring and wiring in physical space, and effectively reduce the labor cost of server assembly.

In the traditional hard disk drive carrier tray design, each hard disk drive needs to be provided with a corresponding backplane, and the backplane of each hard disk drive needs to be equipped with a corresponding cable to connect to the motherboard. On the one hand, the hard disk The drive carrying tray needs to reserve a special wiring channel, which causes the problem of increasing the design size of the hard disk drive carrying tray; The cable connection process of a hard disk drive backplane requires a lot of man-hours, and the assembly process consumes a lot of loss, causing the problem of increased cost. In response to the above technical problems, the hard disk drive carrying tray design proposed in this application has a PCB backplane installed in the tray, and the internal wiring of the PCB backplane realizes the signal transmission and power supply of the bus to each hard disk drive, saving In the existing products, the need for independent wiring of each hard disk drive is reduced, the number of branch cables is reduced, the complexity of the wiring path is reduced, the physical space of the wiring channel is saved, and the production process is greatly saved. The time required for the assembly line management improves the efficiency of production and maintenance.

In one embodiment, referring to FIG. 5, it shows a schematic structural diagram of a hard disk carrier, which is used to fix a 3.5-inch hard disk drive (3.5-inch hard disk drive). The hard disk carrier 116 includes a bottom bracket 60 and a second hard disk drive. A positioning bracket 61, a second positioning bracket 62 and a rotary latch 63. The length of the first positioning bracket 61 is not greater than the length of the first side of the bottom bracket 60, and the length of the second positioning bracket 62 is not greater than the length of the second side of the bottom bracket 60. The first side of the bottom bracket 60 is parallel to the second side. The buckle hole 64 is provided at the bottom of the bottom bracket.

In order to limit the 3.5-inch hard disk drive 2 in the up and down and left and right directions on the hard disk carrier 116, the first positioning bracket 61 and the second positioning bracket 62 are provided with positioning members. The positioning member corresponds to the side holes formed on the side of the hard disk drive one by one, and the first side and the second side of the bottom bracket 60 are parallel to the installation direction of the hard disk drive.

In an alternative embodiment, the positioning member includes a first positioning member 611 provided on the first positioning bracket 61 (wherein, the first fixing surface of the first positioning bracket 61 and the second fixing surface provided with the first positioning member 611 The surface is perpendicular to each other), the second positioning member 621 is provided on the second positioning bracket 62, and the third positioning member 601 is provided on the first side of the bottom bracket 60. The 3.5-inch hard disk drive 2 has an opening on the first side The first side hole (not shown in the drawings), the first side hole corresponds to the first positioning member 611, the second side of the 3.5-inch hard disk drive 2 is provided with a second side hole 21, the second side hole 21 corresponds to The second positioning member 621, the first side surface and the second side surface of the 3.5-inch hard disk drive 2 are disposed opposite to each other. A third side hole is opened on the bottom side of the 3.5-inch hard disk drive 2, and the third side hole corresponds to the third positioning member. In practical applications, the first positioning member 611, the second positioning member 621, and the The three positioning member 601 is a positioning buckle.

In order to avoid the risk of the 3.5-inch hard disk drive 2 falling off after encountering external forces, the first fixing surface of the first positioning bracket 61 is provided with a push-type buckle 612, and the first side of the bottom bracket 60 is also provided with a notch groove 602 , The setting position of the push-type buckle 612 corresponds to the setting position of the notch groove 602. When the 3.5-inch hard disk drive 2 is placed in the bottom bracket 60, slide the push-type buckle 612 of the first positioning bracket 61 into the notch 602, and the second fixing surface of the first positioning bracket is inserted into the bottom bracket 60. The lower part of one side is used to complete the fixing of the first positioning bracket 61 to the 3.5-inch hard disk drive 2; the second positioning piece 621 is snapped into the second side hole of the 3.5-inch hard disk drive 2, and the third positioning piece 601 is snapped into the first In the third side hole of the hard disk drive 2, the second positioning bracket 62, the bottom bracket 60 and the 3.5-inch hard disk drive 2 are fixed.

In order to prevent the 3.5-inch hard disk drive 2 from sliding, a rotary latch 63 is provided on the bottom edge of the bottom bracket 60. The rotary latch 63 includes a stop part and a rotation part. The stop part and the bottom bracket are integrally formed, and the rotating part is rotatably connected with the stop part.

The connection between the hard disk carrier and the 3.5-inch hard disk drive in the above embodiment adopts a screwless design. Compared with the original design, four screws are omitted to avoid manual locking in the production line and operation and maintenance of the hard disk drive module. , The design is easy to install and cost-saving. The installation steps only need to put in the module, slide it into place, and press the push-type buckle to complete. It only takes a few seconds to install a group of hard disk drives, which is a great saving. Installation time for mass production.

In one embodiment, the fan module provided in the rear panel area of the server supports up to 5 dual-rotor fans with a redundant design to strengthen airflow and improve the overall heat dissipation effect. The overall fan module bracket and a single fan module support free Tool disassembly and assembly. Among them, the back panel area of the chassis is provided with a fan frame for installing several fan modules; each fan module is equipped with a holding structure to facilitate manual installation of the fan module in the fan frame or from the fan frame. Manually remove the fan module. The fan frame is provided with a clamping structure, which is used to facilitate the installation of the fan frame in the casing. The fan frame adopts a modular design, which not only supports tool-free overall removal, but a single fan module also supports hot-swappable operation.

The server of the present invention also supports conventional power modules (PSU, Power Supply Unit) hot-swappable function and REAR HDD hot-swappable function, so the present invention realizes tool-free installation, disassembly, and plug-in of conventional components that need to be replaced. The server of the present invention is simple to operate and maintain. The 24 3.5-inch hard disk drives of the whole machine adopt the upper and lower two-layer pullable hard disk drive carrying tray (TRAY) design, which supports tool-free disassembly and assembly; the design uses built-in slide rails and chassis The high-strength design ensures that the HDD and various functional modules can be operated and maintained in the cabinet without tools and the smoothness of hot plugging. Supports up to 5 dual-rotor fans and redundant design, strengthens air flow and improves overall operation and heat dissipation. The overall fan module bracket and single fan module support tool-free disassembly. Simple and economical double-layer cable arm (Cable Arm) design, the maximum pull-out distance is 530mm, which makes the server more tidy and practical. The hard disk drive carrier tray (TRAY) uses a large board to connect 24 HDDs in series. The original cable wiring method is beneficial to reduce the man-hours spent in assembly, reduce the cable loss in the assembly process, and reduce the cost. The appearance, assembly, disassembly, or maintenance efficiency are greatly improved.

In one embodiment, the server of the present invention is also equipped with a flexible PCIE expansion module design, which fully considers different HBA cards (Host Bus Adapter, host bus adapter) or RAID cards (Redundant Arrays of Independent Drives) under different circumstances. , Disk array), for example, the PCIE expansion module in the back panel area of the server is equipped with 9305-HBA RISER MODULE, 3224-HBA RISER MODULE and 9361 24i SUPERCAP RISER MODULE to simultaneously meet 9305-24i, 3224 OCP transfer Connect PCIE, 9361 RAID CARD+SUPRER CAP and other different configuration requirements.

In one embodiment, the rear panel area of the server of the present invention also supports a tool-free disassembly and assembly air guide (ARIDUCT) design.

It should be noted that the server structure proposed in the foregoing embodiments of the present invention does not limit the size of the server. For example, 2U, 3U, 4U and other server devices can all adopt the technical solutions provided by the foregoing embodiments of the present invention.

The high-density storage server proposed by the present invention proposes a new hard disk drive backplane module design, eliminating the need for independent wiring for hard disk drive installation in previous products. It is required to avoid the cable loss caused during the assembly process, greatly save the time and labor cost of assembly line management, and improve the efficiency of production, assembly and maintenance. At the same time, the pull-out hard disk drive carrying tray design and the tool-free disassembly and assembly design of the hard disk drive and fan support further improve the efficiency of server assembly and reduce labor costs.

Although the present invention is disclosed in the foregoing embodiments, it is not intended to limit the present invention. All changes and modifications made without departing from the spirit and scope of the present invention fall within the scope of the patent protection of the present invention. For the scope of protection defined by the present invention, please refer to the attached scope of patent application.

11: Front panel area

111: Retractable hard drive carrier tray

12: Rear panel area

121: Power Module

122: Fan Module

123: PCIE expansion module

124: Fast non-volatile storage module

125: host bus adapter

Claims (10)

A server includes: a housing; the housing is provided with a front panel area for placing a hard disk drive; the front panel area is provided with at least one layer of a pull-out hard disk drive carrying tray; the pull-out type The hard disk drive carrying tray is provided with a carrier board, the carrier board is provided with a PCB backplane; the PCB backplane is provided with a bus interface and at least two hard disk connection ports, and the at least two hard disk connection ports are In an array arrangement, the at least two hard disk connection ports are connected to the bus interface through the internal wiring of the PCB backplane, and the bus interface is connected to the main board of the server through a first connector; the PCB At least one hard disk placement area is also provided on the backplane, and the hard disk placement area and the hard disk connection port are located in a mutually matched arrangement. The server according to claim 1, wherein a hard disk carrier is provided on the hard disk placement area, and the hard disk carrier is used to install the hard disk drive; the PCB backplane is on each hard disk The disk placement area is provided with at least one through hole; the carrier plate corresponds to each hard disk placement area with at least one fastener, and the fasteners correspond to the through holes on the PCB backplane one-to-one The bottom of the hard disk carrier is provided with at least one buckle hole; the buckle on the carrier board passes through the through hole on the PCB backplane and then connects to the buckle hole, so The buckle member is buckled with the buckle hole. The server according to claim 2, wherein the hard disk carrier includes a bottom bracket for supporting the hard disk drive, a first positioning bracket, and a second positioning bracket; the bottom bracket includes oppositely arranged The first side and the second side, the first positioning bracket is detachably arranged on the first side, and the second positioning bracket is fixedly arranged on the second side; the first positioning The bracket and the second positioning bracket cooperate with each other to fix the hard disk drive, and the snap hole is provided at the bottom of the bottom bracket. The server according to claim 1, wherein the front panel area is further provided with at least one layer of built-in sliding rails; the retractable hard disk drive carrying tray realizes a pulling action through the built-in sliding rails. The server according to claim 4, wherein the front panel area is further provided with at least one layer of cable racks, and the number of layers of the cable racks is the same as the number of layers of the removable hard disk drive carrying tray, The cable rack and the removable hard disk drive carrier tray are arranged in one-to-one correspondence; the first connector includes a bus cable, the bus cable is arranged in the cable rack, and the bus One end of the cable is connected to the bus interface of the PCB backplane on the pull-out hard disk drive carrying tray corresponding to the cable rack, and the other end of the bus cable is connected to the server's Motherboard connection. The server according to claim 1, wherein an expansion chip is further provided on the PCB backplane, and the bus interface is connected to the at least two hard disk connection ports through the expansion chip. The server according to claim 1, wherein the PCB backplane is further provided with one or more of a communication interface, a power interface and a SATA HDD interface. The server according to claim 1, wherein the chassis is further provided with a back panel area, and the back panel area is used to place one or more of the main board, power module, and processor of the server. The server according to claim 8, wherein the rear panel area is further provided with a fan frame and a plurality of fan modules, the fan frame and the chassis are clamped; the plurality of fan modules and the The fan frame can be detachably connected. The server according to claim 8, wherein the rear panel area is also provided with a PCIE expansion module.

Images