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RAM Compatibility for Lenovo ThinkCentre M90a Gen 3 AIO
The Lenovo ThinkCentre M90a Gen 3 AIO is a 23.8″ AIO All-in-One desktop released in 2023. It uses DDR5 memory with 2 DIMM slots, supporting a maximum of 64GB at 4800 MHz. All-in-One PCs combine the monitor and computer into a single unit, making RAM and SSD upgrades the most impactful performance improvements available.
Memory Specifications
| Specification | Details |
|---|---|
| Memory Type | DDR5 SO-DIMM |
| Slots | 2 |
| Max Capacity | 64GB |
| Speed | 4800 MHz |
| Storage | 1x M.2 NVMe |
Recommended RAM
Best Overall: Crucial DDR5-4800 SO-DIMM 32GB (2x16GB)
Reliable and fully compatible. Crucial’s Compatibility Guarantee ensures it works or your money back.
SSD Upgrade
The Lenovo ThinkCentre M90a Gen 3 AIO supports 1x M.2 NVMe. Upgrading to a faster NVMe SSD is one of the best improvements you can make to an All-in-One PC.
Best SSD: Samsung 980 Pro 1TB NVMe
Outstanding performance with up to 7,000 MB/s sequential reads. Perfect for AIO systems.
Frequently Asked Questions
Can I upgrade the RAM in the Lenovo ThinkCentre M90a Gen 3 AIO?
Yes, the Lenovo ThinkCentre M90a Gen 3 AIO has 2 SO-DIMM slots accessible for upgrades, supporting up to 64GB of DDR5.
Is it difficult to upgrade an All-in-One PC?
Most All-in-One PCs have a rear access panel for RAM and storage upgrades. You typically need a Phillips screwdriver and anti-static precautions. Lenovo models generally have good serviceability.
Recommended Desktop Upgrades (RAM & SSD)
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Free download: The 2026 Laptop RAM Upgrade Compatibility Cheat Sheet
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