Product Specification Item Dimensions LxWxH: 3.67 x 3.67 x 2.6 inches Brand:                 SilverStone Technology Voltage:                         12 Volts Cooling Method:         Fan Compatible Devices:         Desktop Noise Level:                 42.5 dB Material:                         Aluminum, Copper Maximum Rotational Speed:         2500 RPM Three Ø6mm heat-pipes and aluminum fins for excellent heat conducting efficiency Heat-pipe direct contact (HDC) technology 60mm dual ball bearing PWM fan Includes spring screw bracket with backplane Intel LGA1150/1151/1155/1156 compatible Product Description SilverStone AR09-115XP is a CPU cooler designed for 2U rack mount server or small form factor cases. Its features three 6mm thick copper heat pipes connected to the base using heat-pipe direct contact (HDC) technology and a 60mm dual ball bearing PWM fan. In addition, its heatsink fins have wave-shaped design that works efficiently with the included air duct to help quickly wick away heat for exceptional CPU cooling performance.