More information on Sony/Ericsson laptop memory upgrade:

If you are looking for a memory upgrade for your Sony/Ericsson VAIO BX Series BX640 (VGN-BX640P45) laptop you've come to the right place!

We, at MemoryC, supply Sony/Ericsson VAIO BX Series BX640 (VGN-BX640P45) laptop memory upgrades. Upgrading your Sony/Ericsson VAIO BX Series laptop memory will give you an additional performance boost and make memory intensive applications work smoother. Our recommendation is to add the largest memory upgrade to your laptop to achieve the best performance. Using our Sony/Ericsson VAIO BX Series laptop memory configurator to find the right type of laptop memory you need takes the stress out of this selection, as we only sell premium laptop memory upgrades.

All Sony/Ericsson VAIO BX Series BX640 (VGN-BX640P45) laptop memory is guaranteed compatible (pretested in your particular laptop system), covered by lifetime warranty and will improve the performance!