GIGABYTE GeForce GTX 570 Super Overclock 1280MB GDDR5 PCI Express 2.0 DVI-I / DVI-D / HDMI / Displayport SLI Ready Graphics Card, GV-N570SO-13I Gigabyte OC Guru VGA tweaking utility provides the best comination of software and hardware overclocking GPU Gauntlet SortingWorld's 1 GPU Cherry-picking process. Only the strongest processors survive the GPU Gauntlet Gigabyte Super Overclock SeriesCore Clock: 845MHzMemory Clock: 3800MHz Powered by NVIDIA GeForce GTX 570 GPU and Integrated with industry's best 1280MB GDDR5 memory and 320-bit memory interface Ultra Durable VGA+Proadlizer added2 Oz Copper PCBTier 1 Samsung and Hynix MemoryJapanese Solid CapacitorsFerrite Core and Metal ChokesLow RDS MOSFET Powered by NVIDIA GeForce GTX 570 GPU and Integrated with industry's best 1280MB GDDR5 memory and 320-bit memory interface Gigabyte Super Overclock Series Core Clock: 845MHzMemory Clock: 3800MHz Ultra Durable VGA+Proadlizer added2 Oz Copper PCBTier 1 Samsung and Hynix Memory Japanese Solid Capacitors Ferrite Core and Metal Chokes Low RDS MOSFET GPU Gauntlet Sorting World's #1 GPU Cherry-picking process. Only the strongest processors survive the GPU Gauntlet Gigabyte OC Guru VGA tweaking utility provides the best combination of software and hardware overclocking WINDFORCE 3X Anti-Turbulence cooling with King Sized Vapor Chamber for maximum cooling performance and whisper silent operation Features 2x DVI-I / mini-HDMI outputs with HDCP protection Supports NVIDIA SLI / 3D Vision / CUDA / PhysX Technology Recommended minimum system Power Supply Unit 650W with one 8-pin and one 6-pin external power connectors