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System at a glance
Guaranteed-fit promise
Every part is matched to your machine's slots and drive bays and verified compatible before we list it.
DDR5 · RDIMM · up to 6400 MT/s · Registered
12×16GB = 192GB
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.
NVMe M.2 22110 (PCIe Gen 4) SSD · NVMe M.2 2280 (PCIe Gen 4) SSD · SATA 2.5" SSD
NVMe M.2 22110 (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 is verified to fit this system. Pick a drive type, then a capacity. Muted means it fits too — just not stocked right now.
How we know NVMe M.2 22110 (PCIe Gen 4) SSD fits
Software for your upgrade — matched to your ASUS ESC4000A-E12.
Checks the drivers on your ASUS ESC4000A-E12, 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.
Guaranteed fit
Matched to your machine's slots and drive bays before we list it — or your money back.
Scanner-verified
Confirmed compatible against the manufacturer’s system scanner.
Free Upgrade Assistant
Auto-detect what you have and install it — on us.
ASUS ESC4000A-E12 takes DDR5 RDIMM memory, 12 slots, up to 3072 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 ESC4000A-E12.
Good to know
System notes
We've already verified which memory and storage upgrades fit this exact machine — 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.