SNK-C0054A4L Active CPU fan for S1151/ S1156/ S1200 ( sandy bridge M)
( Heatsink with retention back plate) - CPU Cooler - 1U Low Profile Form Factor - For Intel Processors - 3000~4500 ( max to 6500RPM)RPM Fan Speed - 36 dBA Acoustical Noise - Aluminum Heatsink
2U Passive Heatsink Rear CPU
2U passive Heatsink for P8DNU in SSP-2028G-TR4T Series Servers
1U Passive Heatsink 104mm-Width for X10
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 )