Guide
RAM ceiling matters more than the badge on the lid
Marketing leads with the CPU name. Your Proxmox host will run out of memory first.
Before you care about a 5% Geekbench delta, check SODIMM count, max official capacity, and whether the listing is a soldered 16 GB trap. Fit Score weights RAM hard on the Proxmox job for that reason.
If two machines score within a few points, pick the one you can upgrade without a motherboard swap.
Hardware in this write-up
- Minisforum MS-A1 — AMD AM5 mini workstation-style box popular in expandable Proxmox and TrueNAS Scale builds.
- Minisforum UM790 Pro — Ryzen 9 barebone mini-PC with OCulink option for GPU passthrough experiments and dense VMs.
- Beelink SER8 — Newer Ryzen 7 mini-PC aimed at heavier VM stacks and iGPU media duties in a dense chassis.
- GMKtec NucBox M7 Pro — Ryzen 9 class GMKtec box aimed at dense Proxmox stacks and iGPU transcode without a full tower.
- Beelink SER5 — Compact AMD Ryzen mini-PC often used for Proxmox and Home Assistant with upgradeable SODIMM.
FAQ
How much RAM to start?
32 GB if you are learning. 64 GB if you already know you will run databases or nested labs. Buy the chassis that can get there.