412-AAIV - Dell 165-Watts Heatsink for PowerEdge R640 412-AAIV - Dell 165-Watts Heatsink for PowerEdge R640 $80.00
412-AAIT - Dell 125W Heat Sink for PowerEdge R740 / R740XD 412-AAIT - Dell 125W Heat Sink for PowerEdge R740 / R740XD $54.88