Kingston HyperX Impact Black Series - DDR3L - 4 GB - SO-DIMM 204-pin

HyperX Impact memory boasts the world's fast SO-DIMM frequency - 2666 MHz - to keep you ahead of the curve and level up your game. It automatically recognizes the platform it's plugged into and auto overclocks to the high frequency published with no need to adjust system BIOS settings. So you get extreme performance that supports notebooks and other small form factor systems using either AMD or the Intel CPU technologies with no hassle at all - even if you're a newbie.