CMS 8GB (2X4GB) DDR3 10600 1333MHZ ECC Non Registered DIMM Memory Ram Upgrade Compatible with HP/Compaq® Workstation Z200 EccU for Server Only - B80 at Amazon.com
TIMETEC Hynix IC 8GB Kit (2x4GB) DDR3-1600 SODIMM - Timetecinc.com - Memory of Lifetime and Easy Upgrades
CMS 8GB (2X4GB) DDR3 12800 1600MHz NON ECC DIMM Memory Ram Upgrade Compatible with HP/Compaq® Compaq Pro 6305 Small Form Factor Business Pc - A74 - Walmart.com