BD16GX21600MTR26 Black Diamond 16GB DDR3 Server Memory
BD16GX21600MTR97 Black Diamond 16GB DDR3 Server Memory
CMS 32GB (2X16GB) DDR3 12800 1600MHz ECC Registered DIMM Memory Ram Upgrade Compatible with IBM® System X3500 M4 (E5-2600 V2) 7383-Xxx for Server Only - B17 at Amazon.com