What is the maximum speed of the DDR3 RAM? - Quora
Does RAM Speed Matter? DDR3-1600 vs. 1866, 2133, and 2400 in Games
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 X Series 16GB (2 x 8GB) 240-Pin PC RAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL10D-16GBXL - Newegg.com
Fastest Memory Race Heats Up - Corsair Announces 2533MHz DDR3