Lot of 2 Kingston 12GB Kit of (3x4GB) DDR3-1333MHz KVR1333D3S4R9SK3/12GI Memory | eBay
CT3999233 Crucial 4GB DDR3 Server Memory
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