Hyper X Impact memory boasts a fast SO-DIMM frequency -- 2666 MHz -- to keep you ahead of the curve & level up your game. It automatically recognises the platform it's plugged into & auto overclocks to the highest frequency published (up to 2133 MHz) with no need to adjust system BIOS settings. So you get extreme performance that supports notebooks using either AMD or Intel CPU technologies with no hassle. Impact makes your game hotter while keeping your system cool. Its has low voltage settings at 1.35V for less power consumption, reduced heat generation & quiet computing. Its slim, sleek look lets you stand out in the crowd, while the thin thermal label allows for installation in slim or ultra-slim notebooks. Best of all, Hyper X Impact delivers high performance at a low cost. It's gamer-approved & backed by free technical support & reliability.