CN210573518U

CN210573518U - PCIe Switch-based expansion memory card

Info

Publication number: CN210573518U
Application number: CN201922118614.0U
Authority: CN
Inventors: 郑全化; 邢培栋; 易德波; 张效奎
Original assignee: Shanghai V&g Information Technology Co ltd
Current assignee: Shanghai V&g Information Technology Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-05-19
Anticipated expiration: 2029-12-02

Abstract

The utility model provides an extended memory card based on PCIe Switch, which comprises a PCB substrate provided with at least two M.2 standard connectors, a PCIe Switch chip and a VPX standard connector; the M.2 standard connector is connected with the M.2SSD storage unit; the M.2SSD storage unit is connected to a PCIe Switch chip downstream port, and a PCIe Switch chip upstream port is connected with an output VPX connector. The hardware board card is designed to be compatible with the appearance of two structures of VPX standard air cooling and cold conducting. The utility model discloses can select different quantity M.2SSD memory cell to make up, realize one under the effect of PCIe Switch chip that go upward the PCIe mouth and operate a plurality of independent M.2SSD memory cells of PCIe mouth down, can capacity expansion, promote the overall performance.

Description

PCIe Switch-based expansion memory card

Technical Field

The utility model relates to a PCIe data storage technical field, in particular to PCIe expansion memory card technical field who accords with the VITA standard, concretely relates to expansion memory card based on PCIe Switch.

Background

Currently, the PCIe interface has been developed as a mainstream storage device interface, and PCIe (peripheral component interconnect express) is a high-speed serial computer expansion bus standard, which has the main advantage of high data transmission rate and has considerable development potential. PCIe has a variety of specifications, from PCIe x1 to PCIe x16, which meet the demands of low-speed devices and high-speed devices that will be present in the future for a certain time. Nowadays, most of standard memory cards of the pci e3.0 interface are m.2 standard memory cards and U.2 standard memory cards. The standard interface is determined for general purpose, but in practical use, the standard type memory card cannot be directly used due to various design factors, and users are required to design memory cards with different forms according to requirements so as to meet better design purposes.

The existing standard PCIe interface memory card generally adopts a connector in the form of a gold finger, and cannot be directly applied to a VPX standard system, and cannot perform memory cell expansion and capacity expansion.

SUMMERY OF THE UTILITY MODEL

To prior art's not enough, the utility model discloses an expansion storage card based on PCIe Switch and appearance follow the VITA standard, and the expansion storage card externally adopts VPX standard connector to provide PCIe3.0 interface, and inside carries on a plurality of standard M.2SSD through PCIeSwitch, and the expansion storage card is mountable two kinds of heat radiation structure of forced air cooling and cold-conducting on the basis that need not change the hardware integrated circuit board. The adopted specific technical scheme is as follows:

an extended memory card based on PCIe Switch comprises a PCB substrate, wherein at least two M.2 standard connectors, a PCIe Switch chip and a VPX standard connector are arranged on the PCB substrate; the M.2 standard connector is connected with the M.2SSD storage unit; the M.2SSD storage unit is connected to a PCIe Switch chip downstream port, and a PCIe Switch chip upstream port is connected with an output VPX connector.

Furthermore, the hardware board card is designed to be compatible with the appearance of two structures of VPX standard air cooling and cold conducting.

Further, a detachable cover plate is arranged on the M.2SSD storage unit part.

The utility model discloses further explain of concrete technical scheme:

1. the extended memory card comprises an air cooling or cold guiding structure of VPX standard and a hardware board card.

2. The hardware board card is designed to be compatible with the appearance of two structures of VPX standard air cooling and cold conducting.

3. The hardware board card comprises a PCB substrate, and a plurality of M.2 standard connectors, a PCIeSlwitch chip and a VPX standard connector are mainly welded on the PCB substrate.

4. The hardware board card realizes the following functional principles: a plurality of independent M.2SSD are connected to a PCIe Switch chip downlink port, a PCIe Switch chip uplink port is connected with an output VPX connector, and an uplink port configuration circuit can configure the PCIe3.0 bandwidth of the uplink port according to user requirements.

5. The overall appearance can be customized to a standard 3U VPX structure and a standard 6U VPX structure according to the requirements of users.

6. The part corresponding to the storage unit in the structural design is designed into a detachable cover plate, the storage unit can be replaced only by detaching the cover plate, the whole structural assembly does not need to be detached, and the use and the maintenance of a user are facilitated.

The utility model discloses a main technical essential:

1. a plurality of standard m.2ssd are integrated into 3U or 6U VPX boards.

2. The expansion memory card can select different numbers of M.2SSD storage units to be combined according to user requirements, one uplink PCIe interface is realized to operate a plurality of independent M.2SSD storage units of the downlink PCIe interface under the action of the PCIeSlwitch chip, and the capacity can be expanded or the overall performance can be improved.

3. The overall structure appearance accords with VITA standard, and the hardware integrated circuit board can be made into forced air cooling and leads cold compatibility, only changes different heat radiation structure and can be applied to forced air cooling or lead in cold VPX system.

4. The storage unit can be replaced only by detaching one cover plate in the structural design, the whole structural assembly does not need to be detached, and the use and the maintenance of a user are facilitated.

The utility model discloses an extension storage card of PCIe interface of a standard VPX framework according to VITA standard development. The product can be applied to a system of a standard VPX architecture.

1. The appearance of the extended memory card adopts the VPX standard, the hardware composition is unchanged, and products in two forms of air cooling and cold guiding can be formed by a method of only replacing the structure, so that the extended memory card can be applied to different environments, and the development cost is saved.

2. The extended memory card uses the Pcie Switch chip to realize that one data interface is extended into a plurality of storage units for users to use.

3. The expansion memory card can combine a plurality of storage units into a large-capacity storage unit in a soft RAID mode, so that the storage capacity can be improved, and the overall performance of the memory card can also be improved. For example: two M.2SSDs of 512GB capacity, namely PCIe3.0 x4, pass through PCIe Switch and then form a soft RAID0, the configuration output of the expansion memory card is PCIe3.0 x8, the capacity of the external embodiment of the expansion memory card is 1TB, and compared with a single M.2SSD, the capacity is doubled, and the transmission bandwidth is doubled.

4. The storage unit in the extended storage card adopts a standard M.2 interface, and a user can carry out combination and collocation of M.2 SDDs with different capacities and different quantities according to the application scene requirements, so that great convenience is brought to the applicability of the user.

5. The part corresponding to the storage unit in the structural design is designed into a detachable cover plate, the storage unit can be replaced only by detaching the cover plate, the whole structural assembly does not need to be detached, and the use and the maintenance of a user are facilitated.

6. The expansion memory card adopts VPX standard connector data transmission to adopt PCIe3.0 protocol and is adaptive and downward compatible, and the output can be configured to be PCIe3.0 x16, PCIe3.0 x8, PCIe3.0 x4, PCIe3.0 x2 and PCIe3.0 x1 according to the requirements of users.

Drawings

Fig. 1 is a schematic hardware block diagram of an extended memory card based on PCIe Switch of the present invention.

Fig. 2 is a schematic diagram of an extended memory card hardware board structure based on PCIe Switch according to an embodiment.

FIG. 3 is a right side view of an extended memory card air-cooled fabric element diagram according to an embodiment of the invention.

FIG. 4 is a front view of a schematic diagram of an extended memory card air-cooling architecture based on PCIe Switch according to an embodiment.

FIG. 5 is a top view of an exemplary PCIe Switch based expansion memory card air-cooled fabric element diagram.

Fig. 6 is a diagram illustrating an exemplary PCIe Switch-based extended memory card assembly model. In the figure: 1-standard M.2SSD, 2-locking strips, 3-a lower cover plate of a heat dissipation structure, 4-a heat dissipation upper cover plate of a storage unit part, 5-a puller screw, 6-a puller, 7-a heat dissipation structure support plate and 8-a memory card hardware board card.

Detailed Description

For a better understanding of the objects, technical solutions and advantages of the present invention, the following description of the preferred embodiments of the present invention with reference to the accompanying drawings is provided for further illustration, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended to limit the present invention. The principle design of the extended memory card and the example design of a 3U VPX extended memory card based on PCIe switch are described in the following with reference to the attached drawings.

The hardware board card of the expansion memory card comprises a PCB substrate, wherein a plurality of M.2 standard connectors, PCIe Switch chips and VPX standard connectors are mainly welded on the PCB substrate. The M.2 standard connector is used for installing standard M.2SSD as a storage unit for use, PCIe Switch is used for PCIe exchange to realize that one uplink port can operate each independent downlink port, and the output physical interface of the VPX connector for the uplink port conforms to the VPX standard.

The storage principle of the expansion memory card adopts a PCIe Switch chip to carry out PCIe exchange, and a user can operate each independent M.2SSD storage unit of a PCIe downlink port through one PCIe uplink port and can also combine the PCIe storage units of the downlink port in a user terminal system in a soft RAID (redundant array of independent disks) mode to realize capacity expansion or improve the overall performance.

The PCIe upstream port of the expansion memory card supports the PCIe3.0 standard protocol and is downward compatible, and PCIe bandwidths of the expansion memory card are x1, x2, x4, x8 and x16 through the control circuit of the upstream port.

The hardware board card of the expansion memory card can be designed into a standard 3U or 6U VPX form and is compatible with two structures of air cooling and cold guiding.

The expansion memory card can operate the independent M.2SSD storage unit on each PCIe downlink port through one uplink PCIe port, and can also combine the independent M.2SSD storage units of the downlink ports together through a terminal system to realize capacity expansion or improve the overall performance.

The independent storage unit in the expansion memory card adopts standard M.2SSD, and a user can freely select and match M.2SSD with any capacity and different quantities to meet the storage requirement of the user.

The integral heat dissipation structure of the extended memory card adopts a 3U or 6U VPX standard air cooling or cold guiding structure which meets VITA specification, and can be widely applied to a VPX system. The part corresponding to the storage unit in the structural design is designed into a detachable cover plate, the storage unit can be replaced only by detaching the cover plate, the whole structural assembly does not need to be detached, and the use and the maintenance of a user are facilitated.

Claims

1. An extended memory card based on PCIe Switch, comprising a PCB substrate, comprising: the PCB substrate is provided with at least two M.2 standard connectors, a PCIe Switch chip and a VPX standard connector; the M.2 standard connector is connected with the M.2SSD storage unit; the M.2SSD storage unit is connected to the PCIe Switch chip downlink port, and the PCIe Switch chip uplink port is connected with an output VPX connector.

2. The PCIe Switch based expansion memory card according to claim 1, comprising: the hardware board card is designed to be compatible with the appearance of two structures of VPX standard air cooling and cold conducting.

3. The PCIe Switch based expansion memory card according to claim 1, comprising: the M.2SSD storage unit part is provided with a detachable cover plate.