Zotac NVIDIA GeForce GTX 650 ZT-61008-10M 1GB GDDR5 128 bit PCI-Express Graphic Card Chipset: NVIDIA GeForce GTX 650, 1071 MHz Video Memory: 1GB GDDR5, 5000 MHz Bus: PCI-Express 3.0 x16 Max Resolution: 2560 x 1600 Connectors: VGA, DVI, HDMI Supports: Windows Vista/ 7, NVIDIA Adaptive Vertical Sync Technology Memory Interface: 128-bit, 5000 MHz