G.SKILL Ripjaws X Series 8GB (2 x 4GB) DDR3 2133 MHz F3-2133C10D-8GXM at Amazon.com
Corsair Vengeance Pro 16GB (2x8GB) DDR3 2133 MHz (PC3 17000) Desktop 1.5V at Amazon.com
Vaseky Knight Game Memory Ram DDR3 16GB(2*8GB)Kit Support Dual Channel 1600MHz Chips Unbuffered DIMM DDR3 PC3 12800 for Intel AMD System Desktop Memory Model with Cooling Vest - Newegg.com
Kingston HX321C11SRK2/8 HyperX Savage 8GB (2x4GB) DDR3-2133MHz CL11 1.6V Red Desktop Memory - Wootware