Specs: 1 x 4GB DDR3-1333 PC3-10600 204-Pin 1.5v Single Rank (1Rx8) Sodimm 1333MHz

DDR3 SO* Made from the highest quality components, Arch Memory Replacement for Kingston RAM modules are designed to increase productivity and help your computer work faster. Arch Memory products are engineered to exceed 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.