NVIDIA Quadro FX 1800 by PNY 768MB GDDR3 DDR3 PCI Express Gen 2 x16 DVI-I DL and Dual DisplayPort OpenGL, Direct X, CUDA, and OpenCL Profesional Graphics Board, VCQFX1800-PCIE-PB 64 CUDA parallel processor cores 768MB GDDR3 Frame Buffer 192-bit memory interface DisplayPort (2) and DVI-I DL outputs (1) - any two active Certified on all leading 3D design and DCC applications