The Sparkle GeForce GTX 275 Overclock Graphics Card, extending performance lead with higher core speed and shader speed, bringing extra DX 10 power to gamers. Sparkle GeForce GTX 275 OC Graphics Card features 648MHz core speed, 240 processor cores operating at 1440MHz, offering first-rate graphics, physics, and GPU computing performance, as weel as the absolute best DX10 gaming experience in latest DX10 games such as Gears of War, Bioshock, Crysis for gamers. Features: Unbeatable DX10 Gaming Power, 0.8ns Extreme fast Video Memory, Nvidia 3D stereo Support, NVIDIA SLI Multi-Monitor support, 3-Way SLI Support, 2nd Generation PureVideo HD, Cooling System, Full Microsoft DirectX 10 support, NVIDIA PhysX, NVIDIA CUDA Technology Warranty Term: All Sparkle Video Cards carry a 3-year replacement warranty to original purchaser. Please check on www.sparkle-usa.com for further details.