Macho Direct Dimension: L140mm x W117mm x H158mm Heat pipes: 6mm heatpipe*5 units Copper Base: C1100 Pure copper nickel plated Fan Dimension: L152mm x H140mm x W26.5mm Rated Speed: 300 - 1300 RPM (4-Pin PWM), Noise Level: 15 - 21dBA (4-Pin PWM)