Malaysia HP Z400 Z420 Z600 Z800 Workstation Server Memory DDR3 4G 1333 Pure ECC
CMS 8GB (2X4GB) DDR3 10600 1333MHZ ECC Non Registered DIMM Memory Ram Compatible with HP/Compaq Workstation Z400 Workstation for Server Only - B80 at Amazon.com
A2Z50AA Certified Memory for HP Z400 Z420 Z620 Z820 8GB DDR3 ECC Unbuffered RAM | eBay