2U Passive Heatsink for Socket J / LGA 771
Server CPU Cooler - 2U Form Factor - For Intel Processors - Copper Heatsink
FAN-S771: S771 Xeon Active Fan w/3-pin for 1U, 3U/4U/Tower
1U Heatsink for LGA771 Intel Xeon 51xx/52xx/54xx CPU, 2800RPM Quite fan w/3pin power, for 3U/4U/Tower (, mout the fan on heatsink )