Total Micro has been manufacturing memory upgrades for over 20 years; offering replacement parts and upgrades for every major brand of portable computer, desktop computer, and server. Using only premium quality components and state of the art manufacturing equipment, each product must pass our 100% quality audit program including complete parametric and performance testing. This attention to detail ensures that our customers will always receive products that provide the highest levels of performance and reliability backed by a Lifetime Limited Warranty. Allow convenient and fast access to the stored information your computer is actively using for maximum efficiency No matter how heavy and numerous the applications that you are using, 1333 MHz memory speed will run them smoothly 8 GB of memory to heighten your computer's performance DDR3 SDRAM interface multiplexes 2-bit data from memory cell and I/O buses to minimize processor idle time and enhance your computer's performance CL9 CAS latency for faster, dependable clock cycles which allows quick access and retrieval of data and information