0WFFGC/ 0CRH6C/0D883F For Dell Precision T5500 Workstation Motherboard Tested OK | eBay
CMS 8GB (2X4GB) DDR3 10600 1333MHZ ECC Registered DIMM Memory Ram Upgrade Compatible with Dell® Precision Workstation T5500 Ecc R for Server Only - B37 at Amazon.com
Dell CRH6C - Motherboard / System Board for Precision Workstation Desktop T5500 - CPU Medics