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Guaranteed-fit promise
Every part is matched to your machine's slots and drive bays and checked against its published specs before we list it.
DDR5 · UDIMM · up to 6400 MT/s · Unbuffered
4×16GB = 64GB
Verified fit for your systemNot stocked right now. It's verified to fit— get an email the moment it's back.
Every option here is verified to fit this system. Muted means it fits too — we just don't stock it right now. Pick one to switch.
Specs re-checked against the source · last re-checked July 2026.
NVMe M.2 22110 (PCIe Gen 4) SSD · NVMe M.2 2242 (PCIe Gen 4) SSD · NVMe M.2 2260 (PCIe Gen 4) SSD · 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 22110 (PCIe Gen 4) SSD · 256 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.
Specs re-checked against the source · last re-checked July 2026.
How we know NVMe M.2 22110 (PCIe Gen 4) SSD fits
Software for your upgrade — matched to your ASUS PRIME B840M-A WIFI.
Checks the drivers on your ASUS PRIME B840M-A WIFI, 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.
Complete your upgrade. This machine takes both memory and storage — add one from each tab above to do it in one order.
ASUS PRIME B840M-A WIFI takes DDR5 UDIMM memory, 4 slots, up to 256 GB. Every option above matches those requirements, so it typically installs and runs without any firmware change.
“Verified fit” means the exact module was confirmed compatible against the manufacturer’s system scanner.
Specifications reported for the ASUS PRIME B840M-A WIFI.
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.