USED - Like NEW! Adding more RAM is an easy yet effective way to improve your system performance, as more memory often means responsive multitasking and faster program switching. The Mushkin Enhanced DDR3 memory delivers fast speed and low latency to address your daily needs in work and entertainment, without a hit on your wallet. Quality components and construction ensure stability and durability you can count on in demanding use. Add this memory module to your system and watch the performance skyrocket. DDR3 1066 The Mushkin Enhanced 991573 memory module is rated at 1066MHz with 7-7-7-21 timing to deliver up to 8.5GB bandwidth per channel to deal with the evolving needs of today's operating system and applications. FIRST CLASS QUALITY Superior components, tough build and rigorous testing guarantee you unparalleled reliability and stability for hassle-free use in challenging environments. - All international buyers are responsible for all tax, duties and/or customs fees.