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
Corsair CMY8GX3M2A1600C9R Vengeance Pro Series Red 8GB (2x4GB) MHZ (PC3 12800) Desktop Memory 1.5V at Amazon.com
Corsair Vengeance Pro 32GB (4x8GB) DDR3 1600 MHz (PC3 12800) Desktop, Red 1.5V at Amazon.com