Thermaltake CL-P0487 Application for: Intel Nehalem 95W LGA1366 2U Server * Support  LGA1366 * Aluminum fin and copper base . * Back plate & spring screw mounting method ensure safe installation when shipping. * High density aluminum thin fin: more surface area gives good heat dissipation. :: Detail Information Top View Cu Base Side View Spring Screw :: Thermal Performance :: Specification    Socket Type: Socket 1366 Compatibility: Intel Xeon Nehalem-EP / Gainestown / Westmere Series: 95W Heatsink Dimension: 90 x 90 x 45.5 mm Heatsink Material: Copper Base w/ Aluminum Fin & Copper Heatpipes Fan Dimension: 80 x 80 x 15 mm Fan Speed: 1500 ~ 6000 RPM Air Flow: 56.32 CFM (Max) Air Pressure: 1.60 mmH2O (Max) Noise Level: 48 dBA Consuming Power: 6.0 W Consuming Current: 0.5 A Connector: 4 Pin (PWM) Bearing Type: 1 Ball & 1 Sleeve MTBF: 40,000 Hrs :: Dimension