Corsair CMX16GX3M4A1333C9 XMS3 16GB (4x4GB) DDR3 1333MHz C9 Memory Kit 1.5V Ultra Stable Desktop Memory from Corsair - the Leader in Performance Memory Solutions Capacity: 4 x 4GB modules Speed: PC3-10666 1333mhz Timing: 9-9-9-24 Voltage: 1.5v Memory Type: DDR3; Speed: 1333MHz Density: 16GB (4x4GB) Speed: 1333MHz Tested Latency: 9-9-9-24, Voltage: 1.65V Format: DIMM, Pin Out: 240 Pin, Carefully selected ICs, tightly controlled trace lengths, and an integrated heat spreader guarantee performance and stability Intel XMP, Heatspreader: XMS, Great choice if you wont be doing any extreme overclocking, but you do need fast, reliable DRAM that wont let you down when youre running resource-intensive programs Compatibility: Intel and AMD platforms, XMS DDR3 memory is compatible with motherboards which have standard DDR3 DIMM memory sockets Lifetime Warranty