The Accelero Xtreme IV is the best cooling solution for All your latest cards. The cooler is ideal for overclocking enthusiasts. Five heatpipes and a copper base are soldered precisely together with a layer of the high performance thermal compound ARCTIC MX-2 on the top. The powerful heatsink and three 92mm-PWM-fan design optimize the cooling capacity to 300 Watts. The low noise impeller and the patented fan holder lower the noise level from rotation, resulting in an extremely quiet operation even at full fan speed. The low noise impeller and the patented fan holder lower the noise level from rotation, resulting in an extremely quiet operation even at full fan speed. Dimensions: 288 x 54 x 104 mm (W x H x D, with fan)Weight: 653 gHeatpipes: 5x 6 mmFan: 3x 92 mm (max. 0.5 Sone, 900-2000 U / min, PWM)Cooling power: 300 wattsManufacturer Warranty: 6 yearsCompatibility: AMD Radeon (reference design): R9 290 (X) 270 (X) Radeon HD 8870, 7870 (XT, GHz), 7850, 6970, 6950, 6870, 6850, 6790, 5870, 5850, 5830, 4890 , 4870, 4850, 4830 NVIDIA GeForce (reference design): GTX Titan, 780, 770, 760, 680, 670, 660 (Ti), 650 (Ti, boost), 580, 570, 560 (Ti, SE), 550 Ti, 480, 460 (SE) GTS 450, 250, 240