VH638AT-AA - AddOn Networks ADDON HP VH638AT COMPATIBLE 4GB DDR3-1333MHZ UNBUFFERED DUAL RANK X8 1.5V 240-PI

Adding additional memory is the best way to increase the performance of your system. Our Memory Upgrade products are designed to meet industry standard JEDEC specifications. All memory products are 100% tested and are backed by a limited lifetime warranty.