Corsair Dominator 12GB (3x4GB) DDR3 1600 MHz (PC3 12800) Desktop Memory 1.65V Three matched 4 GB modules for use in high performance Intel Core i7, Triple Channel systems Outrageously fast 1600 MHz performance using 12 GB of memory with 9-9-9-24 latency at 1.65v Includes Airflow Fan and new connector for future upgrades and accessories Intel XMP (Extreme Memory Profile) Support Backed by Corsairs Lifetime Warranty and excellent customer support