G.SKILL Releases The World's Fastest DDR3 32GB (8GBx4) Memory at 3000MHz Extreme Speed Designed for 4th Gen Intel Core Processors and Z87 Motherboards - G.SKILL International Enterprise Co., Ltd.
G.Skill Ripjaws Series F3-12800CL9D-4GBRL 4GB (2 x 2GB) DDR3 1600MHz (PC3 12800) 240-Pin Desktop Memory Module at Amazon.com
G.Skill Ripjaws X 16GB (2 x 8GB) DDR3-1600 PC3-12800 CL10 Dual Channel Desktop Memory Kit F3-12800CL10D-16GBXL - Red - Micro Center
G.Skill Ares Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-1600C9D-8GAO at Amazon.com