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Compact single-slot graphics card with matte black shroud, four Mini DisplayPort outputs and a small axial fan

NVIDIA

NVIDIA VCNRTXA400ATX-B RTX A400 4 GB graphics card

SKU CH-2S2P-FTS20 MPN VCNRTXA400ATX-B

Professional graphics card with 4 GB GDDR6 memory, 64-bit bus, PCIe 4.0 x8 interface and four Mini DisplayPort outputs driving up to 4096 x 2160 resolution

  • Chipset ManufacturerNVIDIA
  • Compact single-slot design fits tight workstations
  • 4 GB GDDR6 memory handles professional datasets
  • Four Mini DisplayPort outputs drive up to four 4096 x 2160 displays
  • PCI Express 4.0 x8 interface with 64-bit bus delivers responsive data throughput
  • Active cooler maintains stable temperatures under sustained load

Professional entry GPU

The NVIDIA RTX A400 is a professional graphics card with 4 GB of GDDR6 memory on a 64 bit bus. It targets users who need certified drivers and a small footprint for CAD, DCC or multi-display workstations. The Ampere architecture provides baseline ray tracing and AI acceleration for entry workflows.

Single slot PCIe 4.0 x8

A single slot active cooler keeps the card compatible with compact chassis and dense rack mounts. The PCI Express 4.0 x8 host interface delivers enough bandwidth for professional datasets while leaving other expansion slots free. Four Mini DisplayPort outputs drive up to four 4096 x 2160 monitors without adapters.

Steady output under load

The active cooler maintains stable clocks during extended render or compute sessions rather than throttling after a short burst. OpenCL, OpenACC and DirectCompute workloads run continuously within the card's thermal envelope. This makes the A400 reliable for batch jobs and long modelling sessions in space constrained systems.

Highlights

  • Compact single-slot design fits tight workstations
  • 4 GB GDDR6 memory handles professional datasets
  • Four Mini DisplayPort outputs drive up to four 4096 x 2160 displays
  • PCI Express 4.0 x8 interface with 64-bit bus delivers responsive data throughput
  • Active cooler maintains stable temperatures under sustained load

Specifications

BrandNVIDIA
SeriesA400 4G
ModelNVIDIA RTX A400 4G
Chipset ManufacturerNVIDIA

Questions about this item

How much VRAM limits sustained workloads on the RTX A400?

The card provides 4 GB of GDDR6 memory on a 64 bit bus, so capacity and bandwidth become the first bottleneck during extended compute or rendering tasks.

What thermal and acoustic behaviour should be expected when the RTX A400 runs continuously?

An active cooler in a single slot form factor handles the Ampere chipset; fan speed will rise with load, producing audible airflow but no extreme noise levels.

Which display outputs must already be available on monitors or adapters for the RTX A400 to drive four screens?

The board exposes four Mini DisplayPort connectors supporting up to 4096 x 2160 each, so matching cables or Mini DP to DisplayPort/HDMI adapters are required.

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