An extension of the main memory is the simplest & most effective way to increase the performance of your computer. With this high-quality main memory module of Kingston you can simply upgrade your complete PC. Extend your existing memory or replace the old modules completely. Check your motherboard, whether it is equipped with two or four memory slots, so that you can benefit from various advantages of 4096MB or 8192MB RAM. Simply clip your new memory, no software installation is required, if you have configured, your computer will boot up & the memory will be automatically detected. Furthermore, this RAM is also backward compatible with 1066 MHz.