NVIDIA · NVIDIA RTX A400
NVIDIA RTX A400 4GB Professional Graphics Card
An Ampere professional GPU for entry-level workstation graphics, ray tracing and AI-assisted applications. Its 4GB GDDR6 memory, 50W board power and low-profile single-slot design suit multi-display desks, 2D design and lightweight 3D visualization.
- 4GB GDDR6 / 96GB/s memory bandwidth
- 768 CUDA / 24 Tensor / 6 RT cores
- Low-profile, single-slot; 50W total board power
- 4 × Mini DisplayPort 1.4a
- Hardware AV1 decoding and RTX application acceleration
Published model specifications describe available options, not the delivered configuration.
Configurations & prices
Listed price: $187.48
Listed prices are indicative; confirm tax, stock, compatibility, lead time and service in a written quotation.
Specifications & selection notes
Architecture and Cores
| Architecture | NVIDIA Ampere |
|---|---|
| CUDA cores | 768 |
| Tensor cores | 24（3 Gen / third generation） |
| RT cores | 6（2 Gen / second generation） |
GPU Memory
| GPU memory | 4GB GDDR6 |
|---|---|
| Memory interface | 64-bit |
| Memory bandwidth | 96GB/s |
Peak Performance
| FP32 peak | 2.7 TFLOPS |
|---|---|
| RT peak | 5.4 TFLOPS |
| Tensor peak | 21.7 TFLOPS（FP16 Sparse / sparse） |
Interface, Dimensions and Power
| System interface | PCIe 4.0 x8 |
|---|---|
| Total board power | 50W |
| Form factor | Low-profile single-slot / Low-profile, single-slot |
| Dimensions | 2.7" H × 6.4" L（High × Length） |
| Cooling | Active fan / Active fan |
Display and Video
| Display outputs | 4 × Mini DisplayPort 1.4a |
|---|---|
| Max displays | 4 |
| Encode / decode | 1× NVENC / 1× NVDEC |
| AV1 support | Hardware decoding / Hardware decode |
Software APIs
| Graphics APIs | DirectX 12 / OpenGL 4.6 / Vulkan 1.3 |
|---|---|
| Compute APIs | CUDA / OpenCL / DirectCompute |
Installation and Selection
| Chassis and slots | Verify low-profile single-slot clearance、6.4"Card length and bracket specification。 / Check low-profile, single-slot clearance, 6.4" card length and bracket fit. |
|---|---|
| Power and cooling | Board power 50W；Verify power supply against the system design、Slot power and ventilation conditions。 / 50W board power; verify system PSU, slot power and airflow. |
| Motherboard compatibility | Verify PCIe 4.0 x8 Supports、Available slots and the system manufacturer's compatibility list。 / Verify PCIe 4.0 x8 support, available slots and the system vendor compatibility list. |
| Applications and drivers | According to the application version、Choose drivers for the operating system and workload，Confirm support for the required features。 / Choose a driver for the application, operating system and workload; confirm required features. |
| Memory and displays | Verify for model and dataset size 4GB GPU memory requirements，And confirm display cables、Adapters and resolution。 / Check 4GB capacity against workload size, plus display cabling, adapters and resolution. |
Documentation and Enquiries
| Datasheet | https://dam-cdn.nvd.orangelogic.com/AssetLink/k28c3b6382sbi8n8jxl686l4ka3816p8.pdf |
|---|---|
| NVIDIA product page | https://www.nvidia.com/en-us/products/workstations/rtx-a400/ |
| Product image source | https://www.pny.com/rtx-a400 |
| Source checked | 2026-09-17 |
| Price and availability | Enquire about pricing and availability for the exact model and requirements。 / Contact us for a quote and availability for the exact model. |
| Delivery and service terms | Lead time、Warranty and service scope are subject to the specific quotation and contract。 / Delivery, warranty and service scope are subject to the quotation and contract. |
Product images
Images are references. Components, interfaces and the delivered configuration are specified in the quotation.
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