Full Details from Amazon.com : http://www.amazon.com/gp/product/B007AJY0ZA?tag=onigi-20G.SKILL Ares Series 8GB (2 x 4GB) 240-Pin SDRAM DDR3 1600 (PC3 12800) Desktop Memory F3-1600C9D-8GABF3-1600C9D-8GAB