Gigabyte GV-N650OC-1GI GeForce GTX 650 1GB 128-Bit GDDR5 PCI Express 3.0 x16 HDCP Ready Video Card Ultra Durable VGA - GPU Temperature 5% ~ 10% down - Overclocking capability 10% ~ 30% up - Power Switch Loss 10% ~ 30% down GIGABYTE custom 100mm Fansink Core Clock: 1100MHz - Memory Clock: 5000MHz Features 2x DVI-D / HDMI / D-SUB outputs with HDCP protection Recommended minimum system PSU 400W with two 6-pin PCI-E power connectors Supports NVIDIA SLI / 3D Vision / Surround / CUDA / PhysX technology