Corsair Memory CMX4GX3M1A1600C9 Corsair XMS3 4GB (1x4GB) DDR3 1600 MHz (PC3 12800) Desktop Memory 1.65V 4GB (1x4GB) DDR3 for AMD and Intel Dual and Triple processors. 9-9-9-24 latency Intel XMP (Extreme Memory Profile) support XMS Heat Spreader Lifetime Warranty Memory Type: DDR3; Speed: 1600MHz