Patriot Memory's Signature Line DDR3 Non-ECC Unbuffered memorydelivers the quality, reliability and performance expected for today'scomputer needs. These 4GB modules are designed to run at PC3-10600(1333MHz) at CAS 9 latency timings. Built using specific build-of-materials(BOMs) we ensure that every module meets and exceeds industrystandards: offering you a hassle free upgrade. We certify every componentthat goes into our modules, including the modules themselves, which mustpass strict standards to ensure compatibility, quality and reliability. Withfree customer service and a lifetime warranty, Patriot Memory's Signaturememory modules are a perfect system upgrade option. Patriot Memory 4GB PC3-10600 (1333MHz) SODIMM is one of many Laptop Memory available through Office Depot. Made by Patriot Memory.