Corsair CMZ4GX3M1A1600C9B Vengeance Blue 4GB (1x4GB) DDR3 1600 MHz (PC3 12800) Desktop Memory 1.5V Designed for Sandy Bridge Platform and AMD Platforms 4GB (1 x 4GB) DDR3 for AMD, Intel Dual Channel processors and Sandy Bridge 2nd Generation Intel Core platforms Intel XMP (Extreme Memory Profile) Support Speed: 1600mhz Timing: 9-9-9-24 Memory Type: DDR3; Speed: 1600MHz Designed for Sandy Bridge Platform and AMD Platforms 4GB (1 x 4GB) DDR3 for AMD, Intel Dual Channel processors and Sandy Bridge 2nd Generation Intel Core platforms Intel XMP (Extreme Memory Profile) Support Speed: 1600mhz Timing: 9-9-9-24 Pin Out: 240-pin Voltage: 1.5v Lifetime Warranty