G.SKILL International Co. Ltd., the leading high performance memory designer and manufacturer, is expanding its Ripjaws SO-DIMM series DDR3L memory up to a staggering 2133 MHz. Meticulously designed to operate at a low voltage of 1.35V, this 4GBx2 memory kit will give your system a much needed performance boost! 1.35V Low Voltage for 4th Gen Intel Core i5 and i7 laptops 1.35V DDR3L SO-DIMM memory is the required and recommended standard for most new Intel Haswell laptop systems. The G.SKILL DDR3L 2133 MHz 1.35V kit is the perfect memory solution to boost your new laptop's performance while extending battery life. Plug and Play on compatible SO-DIMM supported systems Besides notebook systems, G.SKILL Ripjaws high speed DDR3L SO-DIMM memory kits work perfectly with compatible SO-DIMM supported PCs. The systems will detect the rated memory speed automatically without extra BIOS tweaks. The following screen shows the G.SKILL F3-2133C11D-8GRSL kit validated with Intel NUC D53427RKE Ivy Bridge Core i5 model.