1U Passive Heatsink for Socket R/R3 / LGA 2011/2011-v3 Narrow ILM
Server CPU Cooler - 1U Low Profile Form Factor - For Intel Processors - Aluminum Heatsink - 145W Max TDP - Side Air Channel
1U Passive Copper Heatsink for Intel Xeon Socket J / LGA 771 -- ( slim )
S771 - Server CPU Cooler - 1U Low Profile Form Factor - For Intel Processors - Copper Heatsink