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System at a glance
Guaranteed-fit promise
Every kit is matched to your machine's slots and checked against its published specs before we list it.
DDR3 · DIMM · up to 1333 MT/s · Non-ECC · Unbuffered
2×1GB = 2GB
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 Lenovo H420.
Checks the drivers on your Lenovo H420, 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.
Lenovo H420 takes DDR3 DIMM 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 Lenovo H420.
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.