Corsair TR3X6G1600C7D Dominator 6 GB PC3-12800 1600 MHz 240-pin Triple Channel Core i7 DDR3 Memory Kit Corsair Memory is optimized for the Microsoft Windows Vista client operating system Latency of 7-7-7-20 for maximum reliability and performance Each memory module is individually tested to give you Peace of Mind that it Will Not Fail, Guaranteed! Industry Leading Lifetime Warranty 6GB 3 x 2GB PC3-12800 1600MHz 240-pin DDR3 Timing: 7-7-7-20 1.65v Memory Type: DDR3; Speed: 1600MHz