Corsair XMS3 6GB (3x2GB) DDR3 1600 MHz (PC3 12800) Desktop Memory (TR3X6G1600C9) This TR3X6G1600C9 is CORSAIRs XMS 6GB kit solution for the Intel Core i7 processors! This part delivers outstanding performance in the latest generation of X58 DDR3-based motherboards. Online 24/7 Customer Support available at www.asktheramguy.com for your convenience and questions 6GB Kit PC3-12800 1600MHz 240-pin DDR3 9-9-9-24 at 1.65V Lifetime Warranty