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ThinkSystem NVIDIA RTX A400 4GB PCIe Gen4 Active GPU

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ThinkSystem NVIDIA RTX A400 4GB PCIe Gen4 Active GPU

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ThinkSystem NVIDIA RTX A400 4GB PCIe Gen4 Active GPU
Product Guide
The ThinkSystem NVIDIA RTX A400 4GB PCIe Gen4 Active GPU is built on the NVIDIA Ampere GPU architecture and brings the power of AI and ray tracing acceleration to entry-level workstations, making it accessible to more professionals. The RTX A400 GPU features 768 CUDA Cores, 24 third-generation Tensor Cores, six second-generation RT Cores, and 4GB of GDDR6 graphics memory.
The RTX A400 GPU delivers the performance, AI capabilities, enterprise reliability, and features professionals need in a small-form-factor solution.

Figure 1. ThinkSystem NVIDIA RTX A400 4GB PCIe Gen4 Active GPU
Did you know?
NVIDIA RTX professional graphics cards are certified for a broad range of professional applications, tested by leading independent software vendors (ISVs) and workstation manufacturers, and backed by a global team of support specialists. Get the peace of mind to focus on what matters with the premier visual computing solution for mission-critical business.

ThinkSystem NVIDIA RTX A400 4GB PCIe Gen4 Active GPU

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Part number information
The following table shows the part numbers for the RTX A400 GPU.

Table 1. Ordering information

Part number 4X67B03688

Feature code C9KE

Description

Controlled GPU status

ThinkSystem NVIDIA RTX A400 4GB PCIe Gen4 Active No GPU

The RTX A400 GPU is not Controlled which means the GPU is unrestricted and is available in all markets.
The option part numbers includes the following:
One RTX A400 GPU Full-height (3U) and Low profile (2) adapter brackets Documentation flyer
Features
The RTX A400 GPU is an efficient, single slot professional solution for CAD, DCC, financial service industry (FSI) and visualization professionals in general looking to reach great performance in a compact form factor. Building upon the enhancements from the Turing GPU, the NVIDIA Ampere architecture enhances ray tracing operations, tensor matrix operations, and concurrent executions of FP32 and INT32 operations.
Key features:
Second-generation RT Cores Third-generation Tensor Cores Four Mini DisplayPort 1.4a AV1 decode support DisplayPort with audio NVIDIA RTX Experience NVIDIA RTX Desktop Manager software NVIDIA RTX IO support HDCP 2.2 support NVIDIA Mosaic technology PCI Express Gen 4 host interface
Key workloads:
Design and Visualization Digital Content Creation Computer-Aided Design Multi-Display Work Environments Edge Computing Applications Productivity Applications

Technical specifications

ThinkSystem NVIDIA RTX A400 4GB PCIe Gen4 Active GPU

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Technical specifications
The following table lists the specifications of the RTX A400 GPU.

Table 2. RTX A400 GPU specifications
Feature GPU Architecture GPU Memory Memory Interface Memory Bandwidth ECC NVIDIA CUDA Cores NVIDIA Tensor Cores NVIDIA RT Cores Peak Single-Precision Performance Peak RT Core performance FP16 Tensor Performance INT8 Tensor Performance NVLink support Host Interface Power Consumption Thermal Solution Form Factor Display Connectors Maximum simultaneous displays Encode / Decode Engines VR Ready Graphics APIs Compute APIs

Specification NVIDIA Ampere Architecture 4 GB GDDR6 64-bit 96 GB/s Yes 768 Ampere CUDA Cores 24 third-generation Tensor Cores 6 second-generation RT Cores 2.7 TFLOPS (peak) 5.3 TFLOPS (peak) 21.7 TFLOPS (peak) (with sparsity) 43.3 TOPS (peak) (with sparsity) No PCI Express 4.0 x8 50 W Active cooling 2.7" H x 6.4" L (Low Profile), single slot 4x Mini DisplayPort (mDP) 1.4a 4x 4096 x 2160 @ 120 Hz, 4x 5120 x 2880 @ 60 Hz 1x encode, 1x decode (+AV1 decode) No DirectX 12, Shader Model 6.6, OpenGL 4.6, Vulkan 1.3 CUDA 11.6, DirectCompute, OpenCL 3.0

Server support
The following tables list the ThinkSystem servers that are compatible.

ThinkSystem NVIDIA RTX A400 4GB PCIe Gen4 Active GPU

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ThinkSystem NVIDIA RTX A400 4GB PCIe Gen4 Active GPU

4X67B03688 ThinkSystem NVIDIA RTX A400 4GB N N N N N N N N N N N N N N N N N N PCIe Gen4 Active GPU

Description

Part Number

ST50 V2 (7D8K / 7D8J) ST250 V2 (7D8G / 7D8F) SR250 V2 (7D7R / 7D7Q) ST650 V2 (7Z75 / 7Z74) SR630 V2 (7Z70 / 7Z71) SR650 V2 (7Z72 / 7Z73) SR635 (7Y98 / 7Y99) SR655 (7Y00 / 7Z01) SR655 Client OS SR645 (7D2Y / 7D2X) SR665 (7D2W / 7D2V) SD630 V2 (7D1K) SD650 V2 (7D1M) SD650-N V2 (7D1N) SN550 V2 (7Z69) SR850 V2 (7D31 / 7D32) SR860 V2 (7Z59 / 7Z60) SR950 (7X11 / 7X12)

4S Dense V2 V2 8S

AMD V1

V2

V2

1S Intel 2S Intel

Table 5. Server support (Part 3 of 4)

4X67B03688 ThinkSystem NVIDIA RTX A400 4GB PCIe Gen4 Active GPU

NNNNNNNNNNNNNNNNNN

Description

Part Number

Table 4. Server support (Part 2 of 4)

SR670 V2 (7Z22 / 7Z23) SR675 V3 (7D9Q / 7D9R) SR680a V3 (7DHE) SR685a V3 (7DHC) SR780a V3 (7DJ5) SE100 (7DGR) SE350 (7Z46 / 7D1X) SE350 V2 (7DA9) SE360 V2 (7DAM) SE450 (7D8T) SE455 V3 (7DBY) SC750 V4 (7DDJ) SC777 V4 (7DKA) SD665 V3 (7D9P) SD665-N V3 (7DAZ) SD650 V3 (7D7M) SD650-I V3 (7D7L) SD650-N V3 (7D7N)

Super Computing

Edge

GPU Rich

SR635 V3 (7D9H / 7D9G) SR655 V3 (7D9F / 7D9E) SR645 V3 (7D9D / 7D9C) SR665 V3 (7D9B / 7D9A) ST650 V3 (7D7B / 7D7A) SR630 V3 (7D72 / 7D73) SR650 V3 (7D75 / 7D76) SR630 V4 (7DG8 / 7DG9) SR650 V4 (7DGC / 7DGD) SR650a V4 (7DGC / 7DGD) SR850 V3 (7D97 / 7D96) SR860 V3 (7D94 / 7D93) SR950 V3 (7DC5 / 7DC4) SD535 V3 (7DD8 / 7DD1) SD530 V3 (7DDA / 7DD3) SD550 V3 (7DD9 / 7DD2) ST45 V3 (7DH4 / 7DH5) ST50 V3 (7DF4 / 7DF3) ST250 V3 (7DCF / 7DCE) SR250 V3 (7DCM / 7DCL)

4X67B03688 ThinkSystem NVIDIA RTX A400 N N N N N N 8 N N N N N N N N N N N 1 1 4GB PCIe Gen4 Active GPU

Description

Part Number

1S V3

Multi Node V3/V4

4S 8S Intel V3

2S Intel V3/V4

AMD V3

Table 3. Server support (Part 1 of 4)

Table 6. Server support (Part 4 of 4)

Part Number

Description

4X67B03688 ThinkSystem NVIDIA RTX A400 4GB PCIe Gen4 Active GPU

NVIDIA GPU software

ThinkSystem NVIDIA RTX A400 4GB PCIe Gen4 Active GPU

4S V1 1S Intel V1

2S Intel V1

NNNNNNNNNNNNNNNNNNN

SR850 (7X18 / 7X19) SR850P (7D2F / 2D2G) SR860 (7X69 / 7X70) ST50 (7Y48 / 7Y50) ST250 (7Y45 / 7Y46) SR150 (7Y54) SR250 (7Y52 / 7Y51) ST550 (7X09 / 7X10) SR530 (7X07 / 7X08) SR550 (7X03 / 7X04) SR570 (7Y02 / 7Y03) SR590 (7X98 / 7X99) SR630 (7X01 / 7X02) SR650 (7X05 / 7X06) SR670 (7Y36 / 7Y37) SD530 (7X21) SD650 (7X58) SN550 (7X16) SN850 (7X15)

Dense V1

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NVIDIA GPU software
This section lists the NVIDIA software that is available from Lenovo. NVIDIA HPC Compiler Software

NVIDIA HPC Compiler Software

Table 7. NVIDIA HPC Compiler

Feature code Part number 7S09CTO6WW Description

HPC Compiler Support Services

7S090014WW S924

NVIDIA HPC Compiler Support Services, 1 Year

7S090015WW S925

NVIDIA HPC Compiler Support Services, 3 Years

7S09002GWW S9UQ

NVIDIA HPC Compiler Support Services, 5 Years

7S090016WW S926

NVIDIA HPC Compiler Support Services, EDU, 1 Year

7S090017WW S927

NVIDIA HPC Compiler Support Services, EDU, 3 Years

7S09002HWW S9UR

NVIDIA HPC Compiler Support Services, EDU, 5 Years

7S090018WW S928

NVIDIA HPC Compiler Support Services - Additional Contact, 1 Year

7S09002JWW S9US

NVIDIA HPC Compiler Support Services - Additional Contact, 3 Years

7S09002KWW S9UT

NVIDIA HPC Compiler Support Services - Additional Contact, 5 Years

7S090019WW S929

NVIDIA HPC Compiler Support Services - Additional Contact, EDU, 1 Year

7S09002LWW S9UU

NVIDIA HPC Compiler Support Services - Additional Contact, EDU, 3 Years

7S09002MWW S9UV

NVIDIA HPC Compiler Support Services - Additional Contact, EDU, 5 Years

HPC Compiler Premier Support Services

7S09001AWW S92A

NVIDIA HPC Compiler Premier Support Services, 1 Year

7S09002NWW S9UW

NVIDIA HPC Compiler Premier Support Services, 3 Years

7S09002PWW S9UX

NVIDIA HPC Compiler Premier Support Services, 5 Years

7S09001BWW S92B

NVIDIA HPC Compiler Premier Support Services, EDU, 1 Year

7S09002QWW S9UY

NVIDIA HPC Compiler Premier Support Services, EDU, 3 Years

7S09002RWW S9UZ

NVIDIA HPC Compiler Premier Support Services, EDU, 5 Years

7S09001CWW S92C

NVIDIA HPC Compiler Premier Support Services - Additional Contact, 1 Year

7S09002SWW S9V0

NVIDIA HPC Compiler Premier Support Services - Additional Contact, 3 Years

7S09002TWW S9V1

NVIDIA HPC Compiler Premier Support Services - Additional Contact, 5 Years

7S09001DWW S92D

NVIDIA HPC Compiler Premier Support Services - Additional Contact, EDU, 1 Year

7S09002UWW S9V2

NVIDIA HPC Compiler Premier Support Services - Additional Contact, EDU, 3 Years

7S09002VWW S9V3

NVIDIA HPC Compiler Premier Support Services - Additional Contact, EDU, 5 Years

Auxiliary power cables
The RTX A400 GPU does not require an auxiliary power cable.

Regulatory approvals

ThinkSystem NVIDIA RTX A400 4GB PCIe Gen4 Active GPU

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Regulatory approvals
The RTX A400 GPU has the following regulatory approvals:
RCM BSMI CE FCC ICES KCC cUL, UL VCCI
Operating environment
The RTX A400 GPU has the following operating characteristics:
Ambient temperature Operational: 0°C to 50°C (-5°C to 55°C for short term*) Storage: -40°C to 75°C
Relative humidity: Operational: 5-85% (5-93% short term*) Storage: 5-95%
* A period not more than 96 hours consecutive, not to exceed 15 days per year.
Warranty
One year limited warranty. When installed in a Lenovo server, the GPU assumes the server's base warranty and any warranty upgrades.
Related publications
For more information, refer to these documents:
ThinkSystem and ThinkAgile GPU Summary: https://lenovopress.lenovo.com/lp0768-thinksystem-thinkagile-gpu-summary ServerProven compatibility: https://serverproven.lenovo.com/ NVIDIA RTX A400 product page: https://www.nvidia.com/en-us/design-visualization/rtx-a400/
Related product families
Product families related to this document are the following:
GPU adapters

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Notices
Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead. However, it is the user's responsibility to evaluate and verify the operation of any other product, program, or service. Lenovo may have patents or pending patent applications covering subject matter described in this document. The furnishing of this document does not give you any license to these patents. You can send license inquiries, in writing, to:
Lenovo (United States), Inc. 8001 Development Drive Morrisville, NC 27560 U.S.A. Attention: Lenovo Director of Licensing
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This information could include technical inaccuracies or typographical errors. Changes are periodically made to the information herein; these changes will be incorporated in new editions of the publication. Lenovo may make improvements and/or changes in the product(s) and/or the program(s) described in this publication at any time without notice.
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Any references in this publication to non-Lenovo Web sites are provided for convenience only and do not in any manner serve as an endorsement of those Web sites. The materials at those Web sites are not part of the materials for this Lenovo product, and use of those Web sites is at your own risk. Any performance data contained herein was determined in a controlled environment. Therefore, the result obtained in other operating environments may vary significantly. Some measurements may have been made on development-level systems and there is no guarantee that these measurements will be the same on generally available systems. Furthermore, some measurements may have been estimated through extrapolation. Actual results may vary. Users of this document should verify the applicable data for their specific environment.
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This document, LP2171, was created or updated on March 18, 2025.
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ThinkSystem NVIDIA RTX A400 4GB PCIe Gen4 Active GPU

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Trademarks
Lenovo and the Lenovo logo are trademarks or registered trademarks of Lenovo in the United States, other countries, or both. A current list of Lenovo trademarks is available on the Web at https://www.lenovo.com/us/en/legal/copytrade/.
The following terms are trademarks of Lenovo in the United States, other countries, or both: Lenovo® ServerProven® ThinkAgile® ThinkSystem®
The following terms are trademarks of other companies:
AMD is a trademark of Advanced Micro Devices, Inc.
Intel® is a trademark of Intel Corporation or its subsidiaries.
DirectX® is a trademark of Microsoft Corporation in the United States, other countries, or both.
Other company, product, or service names may be trademarks or service marks of others.

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References

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