Zalman Ultimate Liquid CPU Cooler for Intel LGA 2011/1155/1156/1366 and AMD Socket FM2/FM1/AM3+/AM3/AM2+/AM2 LQ-310 Material: Aluminum Tube Length: 300 mm Water Pump: Enclosed Type Speed: 900 - 2,000 RPM +/- 10% Connector: 4-Pin Slim Water Block Design