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Guaranteed-fit promise
Every kit is matched to your machine's slots and checked against its published specs before we list it.
DDR2 · SO-DIMM · up to 800 MT/s · Non-ECC · Unbuffered
2×512MB = 1GB
Spec-matched to your systemNot stocked right now. It still matches your system's specs— get an email the moment it's back.
Every option here matches this system's published specifications. Muted means it fits too — we just don't stock it right now. Pick one to switch.
Software for your upgrade — matched to your Sony VAIO FW Series VGN-FW455J/B.
Checks the drivers on your Sony VAIO FW Series VGN-FW455J/B, installs the safe updates Windows offers, guides the rest to the official download — and confirms exactly which of the upgrades above your machine has room for.
Sony VAIO FW Series VGN-FW455J/B takes DDR2 SODIMM memory, 2 slots, up to 8 GB. Every option above matches those requirements, so it typically installs and runs without any firmware change.
“Spec match” means the module matches your system’s published specifications; it isn’t yet confirmed against a manufacturer tool.
Specifications reported for the Sony VAIO FW Series VGN-FW455J/B.
Good to know
We've already matched the memory and storage upgrades that fit this exact machine to its published specifications — they're just not in stock at the moment. Leave your email and we'll tell you the moment any of them is available again. Guaranteed fit, no wrong parts.