1. Part Number G520 For Intel Nehalem Processor Socket LGA 1366 Passive cooler for 2U Servers amp Up RoHS Compliant Overall Specification Dimension 90 0mm x 90mm x 64 5mm Weight 4859 Material Aluminum 6083 99 94 Extrusion Cooler Mounted in Captive design Backplate is not included With Honeywell PCM45F SP Pre printed or Optional thermal compound Shin Etsu 6751