PNY Quadro NVS 420 PCI-Express x 16 with VHDCI to Quad DVI Port Adapter Supports Quad Monitor display, 2560x1600 through DisplayPort, 1920x1200 through Single Link DVI-D This sell comes with VHDCI to Quad DVI-D dongle, able to support 4 monitor with up to 1920x1200 resolution (Quad display port adapter is not included) Fast GDDR3 512MB Onboard Memory NVIDIA CUDA, Supports Shader Model 4.0, OpenGL 3.0, and DirectX 10 Maximum Power Consumption 40W