Used Dell / NVIDIA Tesla K20 GPU compute accelerator. Dell DP/N 01NTYF, NVIDIA P/N 900-22081-0110-000, board assembly 699-22081-0208-200. 5GB GDDR5, 320-bit memory bus, PCIe 2.0 x16, 2496 CUDA cores. Passive heatsink/server airflow required. No display outputs; this is a CUDA compute accelerator, not a standard monitor-output graphics card. Includes card as pictured.