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
Amazon.com: Kingston Hyper X BLU 4 GB 1600 MHz Memoria de sobremesa DDR3 Non-ECC CL9 (KHX1600 C9D3B1/4G) : Electrónica
Kingston Technology ValueRAM 4GB 1600MHz DDR3 Non - ECC CL11 DIMM SR x8 STD Height 30mm Desktop Memory KVR16N11S8H/4 at Amazon.com