Kit 1GB 2 X 512MB For Sony Vaio Vgn VGN-FS640 W VGN-FS640FP VGN-FS640QW VGN-FS645 VGN-FS645P H VGN-FS650F VGN-FS660 VGN-FS660 W. So-dimm DDR Non-ecc PC2700 333MHZ RAM Memory.
Kit 1GB 2 X 512MB For Sony Vaio Vgn VGN-FS640 W VGN-FS640FP VGN-FS640QW VGN-FS645 VGN-FS645P H VGN-FS650F VGN-FS660 VGN-FS660 W. So-dimm DDR Non-ecc PC2700 333MHZ RAM Memory.