RAM Compatibility for HP HP ProOne 640 G4 All-in-One
The HP HP ProOne 640 G4 All-in-One is a SODIMM All-in-One desktop released in 2018. It uses DDR4 memory with 2 DIMM slots, supporting a maximum of 32GBGB at 2666MHz 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 | DDR4 SO-DIMM |
| Slots | 2 |
| Max Capacity | 32GBGB |
| Speed | 2666MHz MHz |
| Storage | M.2 2280 NVMe + 2.5-inch SATA |
Recommended RAM
Best Overall: Crucial DDR4-2666MHz SO-DIMM 16GB
Reliable and fully compatible. Crucial’s Compatibility Guarantee ensures it works or your money back.
SSD Upgrade
The HP HP ProOne 640 G4 All-in-One supports M.2 2280 NVMe + 2.5-inch SATA. 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 HP HP ProOne 640 G4 All-in-One?
Yes, the HP HP ProOne 640 G4 All-in-One has 2 SO-DIMM slots accessible for upgrades, supporting up to 32GBGB of DDR4.
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. HP models generally have good serviceability.
Shop Compatible Upgrades at PCHub.UK
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Prices from PCHub.UK via ComputersDeal. As an affiliate, we may earn from qualifying purchases. Prices updated 2026-04-10 08:16:07.
