A-Tech 16GB (2x8GB) RAM for Dell Inspiron 3647, 3847 | DDR3 1600MHz DIMM PC3-12800 240-Pin Non-ECC UDIMM Desktop Max Memory Upgrade Kit at Amazon.com
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.
What is the maximum speed of the DDR3 RAM? - Quora