NVIDIA Quadro FX 580 by PNY 512MB GDDR3 PCI Express Gen 2 x16 DVI-I DL and Dual DisplayPort OpenGL, DirectX, CUDA and OpenCL Profesional Graphics Board, VCQFX580-PCIE-PB 32 CUDA parallel processor cores 512MB GDDR3 Frame Buffer 128-bit memory interface DisplayPort (2) and DVI-I DL outputs (1) - any two active Certified on all leading 3D design and DCC applications