G.SKILL Ripjaws X Series 16GB (2 x 8GB) DDR3 2400 (PC3 19200) Desktop Memory Model F3-2400C11D-16GXM Desktop Memory - Newegg.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
G.SKILL Ripjaws X Series 8GB 240-Pin SDRAM DDR3 1600 Memory - Newegg.com
G. SKILL RIPJAWS X 8GB (2X4GB) DDR3-2400MHz PC3-19200 1.65V F3-2400C11D-8GXM | eBay
G.Skill Ripjaws Z 8 GB (2 x 4 GB) DDR3-2400 CL10 Memory (F3-2400C10D-8GZH) - PCPartPicker
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