Specs: 1 x 4GB DDR3L-1600 PC3L-12800 204 Pin 1.35 Volt Non ECC Sodimm

DDR3 SO*  Others that use same spec RAM Made from the highest quality components, Arch Memory RAM modules are designed to increase productivity and help your computer work faster. Arch Memory products are engineered to meet industry standard specifications and rigorously tested to ensure quality. Backed by free technical support, a lifetime replacement warranty and legendary reliability, Arch Memory RAM is your best choice for upgrading your computer's memory.

30 Day money back guarantee. Limited lifetime warranty.