Specs: DDR3-1600 PC3-12800 Dual Rank x4 1.5v

DDR3 ECR* Works in these Systems: * PowerEdge R620 * PowerEdge R720 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.