Used mini PCs that officially support 64 GB of RAM
RAM, not CPU, is usually what runs out first on a Proxmox host. Many older models are officially limited to 32 GB even though owners report 2×32 GB kits working; this page lists only official 64 GB support. See the guide for the unofficial cases.
Criteria: The manufacturer's documented maximum is 64 GB or more. 8 of our models match. Data last reviewed 2026-09-25.
| Model | Year | CPU generations | Why it matches |
|---|---|---|---|
| HP Elite Mini 800 G9 | 2022 | 12th gen (Alder Lake) / 13th gen (Raptor Lake) | 64 GB official, 2× DDR5-4800 |
| HP EliteDesk 800 G8 Mini | 2021 | 11th gen (Rocket Lake) | 64 GB official, 2× DDR4-3200 |
| Dell OptiPlex 3080 Micro | 2020 | 10th gen (Comet Lake) | 64 GB official, 2× DDR4-2666 |
| Dell OptiPlex 7080 Micro | 2020 | 10th gen (Comet Lake) | 64 GB official, 2× DDR4-2933 |
| HP EliteDesk 800 G6 Mini (verify) | 2020 | 10th gen (Comet Lake) | 64 GB official, 2× DDR4-2933 |
| Lenovo ThinkCentre M70q Gen 1 Tiny | 2020 | 10th gen (Comet Lake) | 64 GB official, 2× DDR4-2933 |
| Lenovo ThinkCentre M75q Gen 2 Tiny | 2020 | Ryzen 4000 (Renoir) | 64 GB official, 2× DDR4-3200 |
| Lenovo ThinkCentre M90q Gen 1 Tiny | 2020 | 10th gen (Comet Lake) | 64 GB official, 2× DDR4-2933 |
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Guides
- Do Lenovo Tiny, OptiPlex Micro and EliteDesk Mini PCs support 64 GB of RAM?
- Mini PC RAM upgrade guide: DDR4 vs DDR5, speeds and slots
Related lists
Something wrong or missing? Send a correction. Lists are built from each model's documented specs; models marked "verify" have fields we could not confirm from an official document.