12GB [3x4GB] DDR3-1333 (PC3-10600E) ECC Server Ram Memory Upgrade Kit for The Dell Precision T4500 (Genuine A-Tech Brand) at Amazon.com
CMS 12GB (3X4GB) DDR3 10600 1333MHZ ECC Non Registered DIMM Memory Ram Upgrade Compatible with HP/Compaq® Workstation Z200, Z210, Z400, Z600, Z800 for Server Only - B81 at Amazon.com