4GB 240Pin DDR3-1333 PC3-10600 ECC Unbuffered RAM Upgrade for HP Z600 Rev B3 | eBay
CMS 48GB (6X8GB) DDR3 10600 1333MHZ ECC Registered DIMM Memory Ram Upgrade Compatible with HP/Compaq® Workstation Z600 C2 Seires Only Ddr3 Ecc Reg for Server Only - C75 at Amazon.com
CMS 48GB (6X8GB) DDR3 10600 1333MHZ ECC Registered DIMM Memory Ram Upgrade Compatible with HP/Compaq® Workstation Z600 C2 Seires Only Ddr3 Ecc Reg for Server Only - C75 at Amazon.com
12GB (3x4GB) Memory RAM Compatible with HP/Compaq Workstation Z600 B3 SERIES DDR3 ECC For Server Only BY CMS B81 - Computer Memory Solutions