8GB kit, (2 x 4GB) 240-pin DIMM, DDR3 PC3-10600U,Dual Rank, Non ECC ram Memory Module by Hynix (HMT351U6CFR8C-H9) 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
DUOMEIQI 8GB Kit (2X 4GB) RAM 2RX8 DDR3 1600MHz UDIMM PC3-12800 PC3-12800U CL11 1.5v 240 PIN Non-ECC Unbuffered Desktop Memory RAM Module for Intel AMD System Upgrade at Amazon.com