Choose a mini PC around your applications, memory needs, connections and upgrade plans. Use the guides below to compare complete configurations and their limitations.
Four questions, in this order
Specifications only mean something once you know what you are asking the machine to do. Answer these four in order and most of the catalogue eliminates itself before you have looked at a single price.
1. What will it actually run, most of the time?
Not the most demanding thing you will ever ask of it, but the thing it does on a Tuesday afternoon. A machine chosen for a workload it meets comfortably will feel faster for years than one chosen for a peak it hits twice a month. A browser, an office suite and a video call are a low bar that almost anything clears, and paying for headroom you never reach buys nothing. A language model held in memory, a dozen containers, or a game at 1440p are each a hard floor on a different specification, and missing that floor is not something a faster processor compensates for.
2. Is the memory soldered, and how much is enough?
Check each model's memory design. Socketed modules may be replaceable within the documented limit; soldered memory cannot be increased later. Shared memory and upgradeability are separate questions. Leave space for the operating system and applications, and check the runtime's usable allocation for local AI.
3. What does it need to connect to?
Check the ports your displays, storage and network need before buying. Two physical network ports simplify separate networks; a single port can also carry VLANs with a suitable managed switch and configuration. Built-in 10GbE can help large transfers when storage and the switch can keep up. USB4 or Thunderbolt expansion depends on the host, dock and operating system. An optional port is not an included port.
4. Barebones or ready to use, new or refurbished?
A barebones kit is a case, a board and a processor with no memory and no drive. It is cheaper on the shelf and rarely cheaper once you have bought the parts, but it lets you choose exactly the memory and storage you want and skip a Windows licence you did not need. It is the wrong purchase if you expected to plug it in and start working. Refurbished machines are worth considering from this class of hardware: the parts that usually fail are the drive and the fan, both of which are replaceable in most of these chassis, and the saving on a two-year-old workstation is often larger than the gap between two new models.
The guides
Choose a guide for your workload, then compare the actual configuration, local price, connections and upgrade options.
Models and graphics
For local models, check runtime support, available memory, context and measured generation speed. For gaming, check the exact GPU and measurements for your games and settings.
Machines that run unattended, usually with more than one network port, usually with room for a second drive. The constraint here is rarely speed; it is ports, slots and the ability to leave it running.
Compiling, rendering and the ordinary business desktop. Memory and sustained performance decide these, not peak benchmark numbers, because the workload lasts minutes rather than seconds.
Four phrases on a product page do more damage than the rest combined, usually because they sound like a detail and turn out to be the whole decision.
Unified, soldered, socketed
Socketed modules can be replaced when the model supports the module type and capacity. Soldered memory is fixed to the board. Shared or unified memory describes how CPU and GPU access memory, not a universal upgrade rule or a promise that all installed memory is available to a model.
M.2 slots and lengths
An M.2 slot takes a drive of a particular length, written as a four- or five-digit number: 2280 is the common one, 2230 is the short one, and a 2280 drive does not fit a 2230 slot. A machine with two slots lets you add storage without removing what is already there. Where a machine’s slots run at different speeds, the second one is usually slower, which matters for a drive you read from constantly and not at all for one you archive to.
2.5GbE, 10GbE, and the “10GbE option”
Gigabit is still the default and is enough for internet and ordinary file sharing. 2.5-gigabit is common on recent machines and costs nothing extra. Ten-gigabit is a different class of hardware, usually over SFP+, and is worth paying for only when another machine on your network can also do it. An “option” in the specification means an upgrade you have not bought.
Peak speed against sustained speed
A processor’s advertised speed is what it reaches briefly. What a small chassis can cool is what it holds. For anything that runs for minutes at a time, such as compiling, rendering or a long export, the sustained figure is the one that determines how long you wait, and it is almost never the number on the box.
How to use these recommendations
Compare the exact configuration and follow the manufacturer links on the product page for upgrade limits and supported connections. Where a detail is uncertain, ask the manufacturer or seller before buying for a use that depends on it.
Prices come from the local retailer's API and carry a timestamp. Check the linked listing for the final configuration, price and warranty. We may earn a commission from purchases through these links; the recommendations are researched judgments, not measured benchmarks.
Choose memory from the applications you run together. 16 GB can suit office work, while containers, virtual machines, large projects and local models may need more. For AI, check the exact model, quantisation, context and runtime overhead. Leave a reserve for the operating system and check whether RAM can be upgraded.
Is a mini PC fast enough to replace a desktop tower?
A mini PC can handle many desktop workloads, depending on its configuration. For gaming or GPU rendering, check the exact GPU, software support, power limits and benchmarks. Some integrated GPUs support 1440p gaming at suitable settings. Sustained performance also depends on cooling; the chassis size alone does not establish a speed or noise result.
Can I upgrade a mini PC later?
Upgrade options vary by model. Check replaceable RAM, supported M.2 and SATA storage, CPU socket and BIOS support, and internal PCIe or documented eGPU options. Some workstations use socketed CPUs; many mini PCs use soldered processors. Confirm card dimensions, power and warranty implications before buying parts.
Barebones or ready to use?
Buy barebones if you already know which memory and drive you want, if you have parts to reuse, or if you are installing Linux and do not want to pay for Windows. Buy ready to use otherwise. The saving on a barebones kit is real but modest once you have bought comparable parts, and the kit price shown on a listing never includes them.