Corsair CMY32GX3M4A1600C9R Vengeance Pro 32GB (4x8GB) DDR3 1600 MHz (PC3 12800) Desktop, Red 1.5V Density: 32GB (4x8GB) Speed: 1600MHz Tested Latency: 9-9-9-24 Voltage: 1.5V Format: DIMM Pin Out: 240 Pin Intel XMP 1.3. Memory Type: DDR3; Speed: 1600MHz Limited Lifetime Warranty