Patriot Memory's Signature Line DDR3 Non-ECC Unbuffered memory delivers quality, reliability and performance expected for today's computer 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 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.

• DIMM 4 GB of memory to refine your computer's performance
• 240-pin-pin DDR3-1333/PC3-10600 interface synchronizes electrical and clock signals for an efficient data transfer rate
• No matter how heavy and numerous the applications that you are using, 1333 MHz memory speed with Unbuffered signal will run them smoothly