Fan size: 92 mm, Compatible graphics cards: Radeon HD3800 series, Radeon HD4800 series, Radeon HD3600 series, Radeon HD3850 X2, Radeon HD3870 X2, Radeon HD4870 X2, Radeon HD5800 series, GeForce GTS 2 ** series, Radeon HD4850 X2, Radeon HD6900 series, Radeon HD7900 series, Radeon HD6700 series, Radeon HD6800 series, Radeon HD7800 series, GeForce GTX 570, GeForce GTX 580, GeForce GTX 480, GeForce GTX 460, GeForce GTX 670, GeForce GTX 680, GeForce GTX 560, GeForce GTS 450, GeForce GTX Titan, GeForce GTX 780, GeForce GTX 770, GeForce GTX 760, GeForce GTX 660 Ti, GeForce GTX 660, GeForce GTX 650 Ti, GeForce GTX 780 Ti, Radeon R9 280X, Radeon R9 290X, Radeon R9 270X, GeForce GTX 750 Ti, GeForce GTX 750, Radeon R7 265, Radeon R7 270X, Radeon R7 270, Radeon R9 280, Radeon R9 290, Heat pipes