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NVMe M.2 2280 (PCIe Gen 4) SSD · SATA 2.5" SSD · SATA M.2 2280 SSD · SATA 2.5" Hard Drive
NVMe M.2 2280 (PCIe Gen 4) SSD · 256 GB
Verified fit for your systemNot stocked right now. It's verified to fit— 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.
Specs corroborated by 2 independent sources · last re-checked July 2026.
How we know NVMe M.2 2280 (PCIe Gen 4) SSD fits
Software for your upgrade — matched to your ASUS PRIME X299-A.
Checks the drivers on your ASUS PRIME X299-A, 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.
Guaranteed fit
Matched to your machine's drive bays before we list it — or your money back.
Confirmed across 2 sources
Specs corroborated independently · last re-checked July 2026.
Free Upgrade Assistant
Auto-detect what you have and install it — on us.
Specifications reported for the ASUS PRIME X299-A.
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.