MCR 220 Drive Rev3 Radiator including/featuring: Heat exchanger for dual 120mm fans Integrated reservoir with dual fill-ports and caps Integrated MCP35X PWM controlled pump (2) 120mm fans (2) fan guards Standard radiator mounting screw pack (2) 1/2" Black hose barbs and worm-drive clamps (2) 12 to 7 volt fan-speed adaptors (2) 12 to 5 volt fan-speed adaptors Apogee HD waterblock including Motherboard back-plates for socket 775, 1155, 1156 and 1366 Separate screw/springs for socket 2011 will be made available shortly. 1/2" Black hose barbs and worm-drive clamps. PK1 thermal grease Separate AMD hold-down plate & mounting hardware not included in the kit and supplied for free upon request - Compatible with: sockets 754, 939, 940, AM2, AM3, 770, F, FM1, as well as legacy Intel Server socket 771 processors. Alternate fan installation screw & rivets pack Alternate radiator installation hardware pack Upper panel fill-port finishing hardware pack (1) 1/2 liter pre-mixed HydrX coolant (6) feet 3/4" OD x 1/2" Tubing Funnel Installation CD & Comprehensive installation guide 2-pass, single row construction Brass body and tubes, louvered copper fins POM pump housing Optimized fin-density for maximum heat dissipation at low noise Patent-pending integrated pump housing M3.5 threaded fan and case-mounting holes G1/4 threaded ports High-durability acrylic paint finish ROHS compliant