G.SKILL Ripjaws Series 8GB (2 x 4GB) 204-Pin DDR3 SO-DIMM 1600 RAM - Pangoly
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
G.SKILL Ripjaws Series 4GB DDR3 1600 Desktop Memory - Newegg.com