We guarantee your memory upgrade will be 100% compatible, or return it within 1 Whole Year for a full refund.RamCity guarantees 100% that all modules below are compatible with the Sony VAIO VGN-B Series VGN-BX640P17
RamCity 1GB CL4 200-pin SO-DIMM
Part #. AGC • DDR2-533 / PC2-4200 • CL4 • 1.8V • 16-chip 64M x8 • more info
Buy new: $86.99 $67.99
Kingston 1GB 200-pin SO-DIMM
Part #. M12864E40 • DDR2-533 / PC2-4200 • 1.8V • more info
Buy new: $90.99 $70.99







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