Dell Refurbished Desktop Computers

OptiPlex is Dell's everyday business desktop line, well suited to office work, browsing and general productivity, and it's most of what you'll find here. Precision is Dell's workstation-class line, built with more powerful processors for demanding tasks like engineering software, CAD, 3D rendering or video editing. For most buyers a refurbished Dell OptiPlex is the right call, and Precision is worth the step up only if you run professional software that needs it.

The 3000 series covers the essentials and is the most affordable. The 5000 series is the mainstream business tier and suits most office use. The 7000 series is the higher-specified option with the strongest processors and most memory. Within any series, a higher last-two-digit number means a newer generation, so a 5070 is newer than a 5040.

A Dell mini PC, sold by Dell as the OptiPlex Micro, is the smallest desktop build we carry. Despite the size, these use standard desktop-class Intel Core processors rather than cut-down mobile chips, so a micro with a Core i5 and 16GB of RAM handles browsing, Office, video calls and multitasking as well as a full tower would. They run quietly, output to dual monitors, and can be VESA-mounted behind a screen. The limits are internal expansion and graphics: if you need a discrete GPU or extra internal drives, choose an SFF or Tower instead.

It depends on desk space and whether you plan to upgrade. Micro is the most compact and works well mounted behind a monitor. Small Form Factor has room for a couple of internal drives. Ultra Small Form Factor is smaller again and appears from time to time. Tower is the largest, with the most headroom for adding storage or memory later.

For everyday work, a Dell i5 desktop with 16GB of RAM handles browsing, email, Office and video calls comfortably. If you multitask heavily, work with large files or run demanding software, a Core i7 configuration from the 7000 series is the better fit. Processor generation matters as much as the i5 or i7 label.

For general home and office use, 8GB to 16GB of RAM is enough. If you regularly multitask or run business software, 32GB gives you more headroom. On storage, a 256GB SSD suits basic use and 512GB gives room for more applications and files. An SSD of any size will feel noticeably faster than an older hard drive.

Some do. Both Windows 10 Pro and Windows 11 Pro machines are available, and eligibility comes down to processor generation. Check the individual listing for the installed operating system and processor generation, or filter to our Windows 11 Pro collection. Note that Windows 10 passed Microsoft's end-of-support date in October 2025.

A used desktop is sold as-is, with no testing, no repairs and no warranty. A refurbished Dell desktop from REFURB.io has been cleaned, tested and repaired to meet manufacturer specifications, with failing components replaced and a genuine operating system installed, and it includes a 1-year warranty on parts and labour for in-house repair of defective hardware. That assurance is what the price difference buys.