CMS 12GB (3x4GB) DDR3 10600 1333MHZ ECC NON REGISTERED DIMM Memory Ram Upgrade Compatible with HP/Compaq® Workstation Z600 B3 SERIES DDR3 ECC For Server Only - B81 - Newegg.com
DDR3 ECC SODIMM | Small Outline DIMM | Unbuffered ECC Memory | Server DRAM Modules | Solutions – Innodisk
2GB DDR3 PC3-8500 1066MHz NON ECC Memory for EliteGroup (ECS) Motherboard DIMM | eBay