a-tech 8gb module for asus rog strix gl503 laptop & notebook compatible ddr4 2666mhz memory ram (atms394705a25978x1) a-tech the a-tech atms394705a25978x1 memory ram module was specifically engineered to be compatible with the asus rog strix gl503. included in the package is a genuine a-tech brand 8gb single ddr4 pc4-2666 / pc4-21300 1rx8 1.2v laptop & notebook non-ecc memory module (260-pin sodimm 2666mhz) upgrade. a-tech is one of the most trusted names in premium memory. backed by a lifetime warranty and 5 star customer support, a-tech has you covered! memory upgrades have never been easier. designed specifically to help your computer run faster and smoother, an a-tech memory upgrade is one of the fastest, most affordable, and easiest ways to improve your system's performance. a-tech memory empowers your computer to achieve faster application loading times, faster system responsiveness, and increased ability to multitask and handle data-intensive programs. a-tech modules are rigorously tested to ensure that your memory meets our stringent compatibility and performance standards. every a-tech ram module is tested for complete functionality before it leaves our doors. give your computer the best, trust a-tech!