Currently the fastest dual-GPU-on-a-PCB card on the planet, the XFX HD-597X-ENFN Radeon HD 5970 Black Edition comes with 6 native mini DisplayPort and 4GB GDDR5 memory, purposely designed for up to six-display output with ATI Eyefinity technology. Powered by two brutally fast GPUs and 3200 stream processors, the Radeon HD 5970 delivers shockingly fast frame rates and is supported by other most robust advanced features including ATI Stream and full Microsoft DirectX 11 support. The XFX HD-597X-ENFN also boasts overclocked GPU at 850MHz (standard 725 MHz), offering true performance enthusiasts the ultimate in speed, performance and support.