GIGABYTE GeForce GTX 560 Super Overclock 1GB GDDR5 PCI Express 2.0 2x DVI-I / mini-HDMI SLI Ready Graphics Card, GV-N56GSO-1GI GIGABYTE Super Overclock Series - Serious gamers require serious gear. Thats why weve developed the Super Overclock Series. All of the GPUs in these graphics cards have been cherry-picked for top performance, efficiency and reliability. GIGABYTE Ultra Durable VGA Plus - Gigabyte Ultra Durable VGA+ deliver 1.6X purer power than traditional power design and more stable performance. WINDFORCE 2X Anti-turbulence cooling for maximum performance at whisper silent operation Features 2x DVI-I / mini-HDMI with HDCP Protection Core Clock: 900MHz - Memory Clock: 4008MHz Supports NVIDIA SLI / 3D Vision / CUDA / PhysX Technology Recommended Minimum Power Supply 500W with two 6-pin PCI-E power connectors