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Every drive is matched to your machine's drive bays and checked against its published specs before we list it.
IDE / PATA 2.5" SSD · IDE / PATA 2.5" Hard Drive
IDE / PATA 2.5" SSD · 32 GB
Spec-matched to your systemNot stocked right now. It still matches your system's specs— get an email the moment it's back.
Every drive here matches this system's published specifications. Pick a drive type, then a capacity. Muted means it fits too — just not stocked right now.
How we know IDE / PATA 2.5" SSD fits
Specifications reported for the HP Deskpro EN 6400 Model 4300.
Software for your upgrade — matched to your HP Deskpro EN 6400 Model 4300.
Checks the drivers on your HP Deskpro EN 6400 Model 4300, 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.
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.