Desktop Computers
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Sell with us →About desktop computers
Desktop computers come in more shapes than most people expect. Full towers and mid towers offer room for large graphics cards, extra drives and plenty of cooling. Small form factor and mini PCs fit on a shelf or behind a monitor and are popular for offices, media centers and home labs. All-in-one computers build the screen and computer into one unit, while workstations add professional graphics, large memory capacity and error-correcting memory for engineering, 3D and data work.
Independent builders offer something big retailers rarely do: a machine assembled to your brief, with the parts list in the listing. A custom gaming PC listing should name each component, from the processor and graphics card to the motherboard, power supply, memory, storage and case. Refurbished office desktops, on the other hand, are often an affordable and quiet choice for home offices, schools and families, and many can take a graphics card or more memory later.
When comparing desktops, look at the balance between the processor and the graphics card for your use, the quality and capacity of the power supply, and how the case handles airflow. Think about upgrades: a standard-size motherboard and power supply make future changes easier, while compact and proprietary designs can limit what fits. Ask the builder what testing they ran, such as stress tests or benchmarks, and whether the operating system is installed and activated.
Choosing a desktop PC
- Ask for the full parts list on custom builds, including the power supply model and motherboard, not only the processor and graphics card.
- Check whether the case and motherboard use standard sizes if you plan to upgrade later; some compact office desktops use proprietary parts.
- Confirm which video outputs are present and whether they come from the graphics card or the motherboard.
- Ask what testing the seller ran and how the PC is packed for shipping — large graphics cards and coolers can be damaged in transit.
- Find out whether an operating system is installed and whether keyboard, mouse or Wi-Fi are included, since many desktops ship without them.
Questions about desktop computers
Is it better to buy a prebuilt or custom PC from an independent builder?
Both can work well. A custom build lets you choose parts for your games or software and usually comes with a clear parts list. A ready-built configuration can ship sooner. Either way, ask about testing, warranty and how the builder supports you if something goes wrong.
Can I upgrade a refurbished office desktop for gaming?
Sometimes. Check the power supply's capacity and connectors, the space inside the case, and whether the motherboard has a free full-length slot. Small form factor models often only fit low-profile cards, so ask the seller before buying with upgrades in mind.
What is a mini PC good for?
Mini PCs suit office work, media playback, digital signage and home servers where space and quiet operation matter. They generally use laptop-class parts, so they're less suited to demanding games or heavy rendering.
Why does the power supply matter so much?
The power supply feeds every component. A quality unit with enough headroom keeps the system stable and makes upgrades safer, while a weak one can cause crashes or damage. Ask for the exact model and rating.