16GB (4 X 4GB) DDR3 1600MHz PC3-12800 240-pin Memory RAM DIMM Kit for Desktop PC by NEMIX RAM 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 Desktop Memory - Newegg.com