Patriot Memory’s Signature Line DDR3 Non ECC Unbuffered memory delivers the quality, reliability and performance expected for today’s computer needs. This 8GB modules is designed to run at PC3 12800 (1600MHz) at CAS 11 latency timings. Built using specific build of materials (BOMs) we ensure that every module meets and exceeds industry standards: offering you a hassle free upgrade. We certify every component that goes into our modules, including the modules themselves, which must pass strict standards to ensure compatibility, quality and reliability. With free customer service and a lifetime warranty, Patriot Memory’s Signature memory modules are a perfect system upgrade option. Product Highlights 1600MHz DDR3 DRAM Dual Ranked CAS Latency: CL11 UDIMM 240 pin Form Factor Voltage: 1.5V Limited Lifetime Warranty