A-Tech 16GB KIT (2 x 8GB) for Dell PowerEdge Series C5220 C6100, C6105, R210 II, R320, R415 DIMM DDR3 ECC Unbuffered PC3-8500 1066MHz Server RAM Memory at Amazon.com
32GB (4 X 8GB) DDR3 1333MHz PC3-10600 240-pin Memory RAM DIMM Kit for Desktop PC by NEMIX RAM at Amazon.com
Crucial Technology RAM Memory 1 x 2GB DDR3 SDRAM 2 DDR3 1600 DDR3 CT25664BA160BJ at Amazon.com
G.Skill Ripjaws X Series 16 GB (2 x 8 GB) 240-Pin SDRAM (PC3-12800) DDR3 1600 CL10-10-10-30 1.50V Dual Channel Desktop Memory Model F3-12800CL10D-16GBXL at Amazon.com