ASUS Graphics Cards GT630-SL-2GD3-L Pump up graphics performance with Super Alloy Power delivering a 15% performance boost, 2.5 longer lifespan and 35 Degree C cooler operation Silent passive cooling means true 0dB - perfect for quiet home theater PCs and multimedia centers GPU Tweak utility helps you modify and tune clock speeds, voltages, and fan performance via an intuitive interface PCI Express 2.0 (uses x8 or x16 slot), Video Memory:2GB GDDR3,Engine Clock:902 MHz, CUDA Cores:384,Memory Clock:900 MHz(1800MHz GDDR3), Memory Interface:64-bit. Resolution (HDMI) Max 4096x2160, Video connectors VGA, HDMI & DVI, Supports HDMI-HDCP.