1GB STICK SO-DIMM DDR3 NON-ECC PC3-8500 1066MHz For Sony VAIO VPC. Designed For Sony VAIO VPC: Z138GG, Z138GG/XQ, Z13A7E, Z13AHX, Z13BGX, Z13C5E, Z13CGX, Z13DGX, Z13EGX, Z13EGX/B, Z13FGX, Z13FGX/B, Z13GGX. Will also work with many other brands and models. Genuine A-Tech Brand: 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 system 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 and includes toll free technical support at 1-866-557-4527. Give your computer the best, trust A-Tech!