Buying a used or refurbished PC

Off-lease business computers are some of the best deals around. They're built to last, easy to repair, and often cheaper than a new budget PC. These guides cover what to buy and what to check when it arrives.
Which refurbished laptops and desktops are worth it in 2026, and the checks to do in the first 48 hours.
Guides for buying used
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Buying a Refurbished PC
The off-lease business models to shop for, the specs that matter, and the listings to walk away from.
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How Old Is My Computer?
Find a PC's age from the processor, the BIOS date, or a Dell, HP, or Lenovo serial number lookup.
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The Best Old ThinkPads
Which used ThinkPads are worth buying in 2026, which run Windows 11, and the best picks for Linux.
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ThinkPad T440 in 2026
What a 2014 ThinkPad is still good for, the upgrades that matter, and T440 vs. T440p.
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Four rules for buying used
- 2018 or newer: Intel 8th-gen or AMD Ryzen 2000 and up, so it runs Windows 11 officially. Here's how to tell a PC's age.
- SSD and 16 GB of memory, or a price low enough to add them.
- A warranty or easy returns, even if it's only 30 days.
- Check it right away: Windows activation, no "managed by your organization" message, and the battery report.
Looking for a small desktop? Used mini PCs like the Lenovo ThinkCentre Tiny are some of the best buys around.