A mini PC is the middle option nobody talks about enough. A Raspberry Pi is cheaper and quieter but tops out fast once Docker containers start piling up. A full tower server is more capable but loud, power-hungry, and overkill for what most homelabs actually run day to day. A mini PC, something the size of a paperback book, sits between the two: real x86 performance, SATA and NVMe support, actual RAM slots, often for less than $300. Here’s what actually matters when picking one, and which tier of hardware fits which homelab.
What actually matters
- RAM ceiling and slot count. A lot of budget boxes solder 8 or 16GB directly to the board with no way to add more; if a Docker stack is going to grow, a model with SO-DIMM slots is worth paying extra for
- Number of NVMe and SATA slots. One M.2 slot is fine for an OS-and-apps drive; a second slot or a SATA port matters the moment storage for a media library or backups gets involved
- NIC count and speed. A single 1GbE port is fine for general Docker hosting. Running OPNsense or pfSense as a router needs at least two NICs, and 2.5GbE has become common enough on newer boxes that it’s worth holding out for
- Idle power draw. This runs 24/7, and the difference between a box that idles at 6W and one that idles at 15W adds up over a year. Most homelab-oriented mini PC reviews publish real idle wattage numbers, worth checking before buying
- Cooling and noise. Fanless designs exist below a certain CPU tier and are worth it if this is sitting in a living room instead of a closet
Three real tiers, not one “best” mini PC
Mini PC buying guides love to crown one overall winner, but the honest answer depends on the job. Intel’s N100 and N150, both 4-core, low-power chips, cover single-purpose appliances. Intel’s N305, with more cores, is the general-purpose homelab sweet spot. AMD’s Ryzen AI and equivalent H-series mini PCs are the tier for heavier virtualization or running local LLMs. Buying more chip than the job needs mostly buys a bigger electricity bill, not a better homelab.
Budget tier: N100 / N150 for one job at a time
An N100 or N150 box, usually 8 to 16GB of RAM and a single NVMe slot, is the right buy for something with one clear purpose: a Pi-hole or AdGuard Home instance, a dedicated router running OPNsense or pfSense (look for dual 2.5GbE NICs specifically for this job), or a handful of lightweight Docker containers. These chips idle around 6-8W and rarely cost more than $150-200 for a barebones unit. The N150 is a minor clock-speed bump over the N100; if the N100 version is cheaper, buy that instead and don’t pay extra for the newer name.
General-purpose tier: N305 with 32GB of RAM
For an actual homelab server, Proxmox or Docker running a dozen-plus services, Jellyfin, the usual *arr stack, Uptime Kuma, Home Assistant, an N305 mini PC with 32GB of RAM and a 1TB NVMe drive covers the vast majority of setups for somewhere around $250-300. This is the tier worth spending a little more on if there’s any chance the stack grows, since the jump from N100 to N305 buys real headroom, not just a bigger number on a spec sheet.
Power-user tier: Ryzen AI for heavy virtualization or local LLMs
The Ryzen AI (or comparable Ryzen H-series) tier only makes sense for specific, demanding jobs: running many VMs at once, or running local LLM inference without an external GPU. These mini PCs support 64GB or more of RAM and cost meaningfully more than the N305 tier. If neither of those describes the plan, this tier is spending money on capacity that will mostly sit idle.
Budget for RAM prices in 2026
DDR5 SO-DIMM prices climbed sharply through 2026 because of an ongoing DRAM shortage. A 32GB kit (2x16GB) that would have been a minor add-on a year earlier now meaningfully changes the total cost of the build. If the plan is 32GB or more, price the RAM separately before committing to a barebones unit, and consider a model that already ships with the RAM installed if the difference turns out to be small.
Mini PC, Raspberry Pi, or full tower?
A Raspberry Pi still wins on price and idle power for something genuinely light, Pi-hole, Home Assistant, a small OpenMediaVault NAS, and the Raspberry Pi homelab guide covers what fits comfortably there. A full tower server wins once storage capacity matters more than anything else, six or eight drive bays that no mini PC chassis has room for. A mini PC is the right call for everything in between: more services than a Pi can carry, less storage than a proper NAS chassis needs.
What to actually run on it
Picking the hardware is half the decision. The companion guide, Mini PC Homelab: What Actually Runs Well (and What Doesn’t), covers what a modest N100 box handles without complaint and where it’s worth stepping up a tier instead.