FeaturesPlug and play XMP-ready in capacities up to 64GB.Kingston HyperX DDR3 automatically overclocks to the highest frequency published, up to 2133MHz, without the need to adjust system BIOS settings.Run cool, quiet, and efficiently with instant top-level performance and lower voltage.HyperX DDR3 has a slim form factor and features a sleek design.Specification:- Lifetime Warranty - Memory Configuration: SODIMM Non-ECC Unbuffered- Memory Type: DDR3- Memory Size: 8GB Kit (2 x 4GB) - SPD Speed: 2133MHz - SPD Voltage: 1.5V