ZOTAC NVIDIA GeForce GT 640 2GB GDDR3 DVI/HDMI/VGA PCI-Express Video Card ZT-60203-10L Chipset: NVIDIA GeForce GT 640 Video Memory: 2GB GDDR3 Memory Interface: 128-bit Bus: PCI-Express 3.0 x16 Max Resolution: 2560 x 1600 Connectors: DVI, HDMI, VGA