RTX A400

The RTX A400 is NVIDIA's entry-level Ada Lovelace professional GPU, sitting at the base of the Ada generation LP workstation lineup below the RTX A1000. Built on TSMC's 4N process and housing Ada Lovelace's 4th-generation Tensor cores and 3rd-generation RT cores, it delivers the Ada architecture's AI and ray tracing capabilities in an ultra-low-power low-profile package suited to dense professional deployments.

The card carries 4GB of GDDR6 memory with ECC support on a 64-bit memory interface delivering 128 GB/s of bandwidth. It features 768 Ada CUDA cores for approximately 3.0 TFLOPS of FP32 throughput. At 50W TDP in a low-profile form factor on a PCIe 4.0 x16 interface, it runs NVIDIA's professional Ada certified driver stack with full ISV certification.

The RTX A400 targets professional visualization, CAD/CAE, entry-level AI inference, and lightweight 3D rendering where 4GB of certified GPU memory is sufficient. It is a practical choice for multi-seat enterprise deployments, compact workstations, and servers where slot height, power budget, and ISV certification matter more than peak compute throughput.