EVGA 01G-P3-1286-AR e-GeForce GTX280 1GB FTW Edition DDR3 PCI-Express 2.0 Graphics Card with Free Special Edition EVGA Precision Overclocking Utility Performance: * NVIDIA GTX200 *670 MHz GPU *240 Processing Cores *400 MHz RAMDAC Memory: *1024 MB, 512 bit GDDR3*2430 MHz (effective) *155.52 GB/s Memory Bandwidth Interface:*PCI-E 2.0*DVI-I, DVI-I, HDTV-7*SLI Capable Resolution & Refresh: *240Hz Max Refresh Rate*2560x1600 Max Analog*2560x1600 Max Digital Requirements:* Minimum of a 550 Watt power supply.*(Minimum recommended power supply with +12 Volt current rating of 40 Amp Amps.)*An available 6 pin PCI-E power connector and an available 8 pin PCI-E power connector Key Features: *NVIDIA unified architecture with GigaThread technology*Full Microsoft DirectX 10 Shader Model 4.0 support*True 128-bit floating point high dynamic-range (HDR)*OpenGL 2.1 *512-Bit Memory Interface*NVIDIA CUDA Support*NVIDIA PhysX- Ready*2-Way SLI Support & 3-Way SLI Support*NVIDIA PureVideo HD Technology*1 Gig of GDDR3 Memory