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
Kingston Hyper X Blu 8 GB (2x4GB Modules) 1600MHz DDR3 Non-ECC CL9 XMP Desktop Memory - KHX1600C9D3B1K2/8GX at Amazon.com
Kingston Hyper X Blu 4 GB 1600MHz DDR3 Non-ECC CL9 Desktop Memory (KHX1600C9D3B1/4G) at Amazon.com
Kingston HyperX FURY 16GB Kit (2x8GB) 1600MHz DDR3 CL10 DIMM - Blue (HX316C10FK2/16) at Amazon.com
Kingston HyperX FURY 4GB 1600MHz DDR3 CL10 DIMM - Black (HX316C10FB/4) at Amazon.com
Kingston Technology Hyper X 8GB 1600MHz DDR3 Non-ECC CL9 DIMM (Kit of 2) XMP X2 Grey Series KHX1600C9D3X2K2/8GX at Amazon.com