NVIDIA T400 4 GB GDDR6 7680 x 4320 pixels 64 bit PCI Express x16 3.0 DirectX version: 12.0 OpenGL version: 4.5 Great 2D and 3D Performance in a Small Form Factor SolutionThe NVIDIA® T400, built on the NVIDIA TuringGPU architecture, delivers amazing performance and capabilities to power a range of professional workflows. Featuring 384 CUDA cores and 4GB of GDDR6 memory, the T400 packs power and performance in a small form factor so professionals can tackle a range of multi-app workflows with ease. Native support for up to three 5K displays gives you the expansive visual workspace to view your work in stunning detail.As part of the NVIDIA RTX family of professional GPUs, the NVIDIA T400 provides the performance, features, reliability, and support that customers expect from NVIDIA enterprise solutions. As businesses look to lower the total cost of their computing solutions, while minimizing impacts to productivity, NVIDIA T400 provides them with a robust, cost effective solution that he