Windows 11 on Used Mini PCs: Which CPU Generations Are Supported

Windows 10 reached end of support on October 14, 2025. Microsoft's consumer Extended Security Updates (ESU) program keeps eligible Windows 10 version 22H2 PCs patched for a limited time (check Microsoft's ESU page for the current end date and enrollment options). That buys time, but if you want a used mini PC to run a supported Windows long term, the processor decides it. This guide maps the CPUs found in used tiny PCs to Microsoft's published lists.

The requirements that matter

Microsoft's Windows 11 requirements are: a compatible 64-bit processor with two or more cores at 1 GHz or faster, 4 GB of RAM, 64 GB of storage, UEFI firmware that is Secure Boot capable, TPM 2.0, and DirectX 12 graphics with a WDDM 2.0 driver. On used business minis the CPU is almost always the deciding item. TPM is rarely the problem: Lenovo's spec sheets list TPM 2.0 even on the 6th/7th-gen ThinkCentre M710q, and a discrete TPM 2.0 chip on the M720q and M920q. On other systems the TPM may be firmware-based and switched off; Microsoft says the setting may be labeled Intel PTT (Platform Trust Technology), AMD fTPM, Security Device or TPM State.

Microsoft publishes separate Intel and AMD lists for each Windows 11 release. The current Intel lists (24H2 and 25H2) name processor series rather than individual models. The 24H2 AMD list names individual models; the 25H2 AMD list switches to series. Every list carries the same note: later processors that meet the same principles are considered supported even if they are not listed. The PC Health Check app checks a specific PC.

Intel, generation by generation

• 4th gen (Haswell), for example the ThinkCentre M93/M93p Tiny: not on any list.
• 6th gen (Skylake) and 7th gen (Kaby Lake): no mainstream 6th or 7th-gen Core entries. That rules out the ThinkCentre M710q and M910q, the OptiPlex 3050, 5050 and 7050 Micro, and the EliteDesk 800 G3 Mini. The Pentium G4400T and G4560T in these boxes aren't listed either; the list's Pentium entry is the Pentium Gold G5000 series. (The only 7000-series Core entry is the high-end desktop "Core 7000X" series on the original list, which doesn't appear in mini PCs.)
• 8th gen (Coffee Lake, Whiskey Lake, Kaby Lake-R) and 9th gen: supported. The lists include 8th and 9th-gen Core i3/i5/i7/i9, the Pentium Gold G5000 series (G5400T, G5500T and similar) and the Celeron G4000 series (G4900T, G4930T). That covers the ThinkCentre M720q, M920q and M920x, the OptiPlex 7060 and 7070 Micro and their 3000 and 5000-series siblings, and the EliteDesk 800 G4 Mini.
• 10th and 11th gen: supported, for example the OptiPlex 7080 and 7090 Micro and the EliteDesk 800 G6 Mini.
• 12th and 13th gen, and Core Ultra (Series 1): supported, which covers NUC-class machines like the Intel NUC 13 Pro.
• N-series (Alder Lake-N): the 24H2 and 25H2 lists include "N90 Series", "N100 Series", "N200 Series" and "Core Processor N300 Series" entries, so N100-based boxes like the Beelink EQ12 qualify. These families aren't on the original Windows 11 list; they were added later. Newer Twin Lake chips such as the N150 and N355 aren't named on the lists, so for those you rely on Microsoft's note about later processors.

AMD, model by model

• A-series PRO (Bristol Ridge), as in the ThinkCentre M715q: no A-series processors appear on any list.
• Raven Ridge Ryzen 2000 APUs: the Ryzen 3 PRO 2200GE and Ryzen 5 PRO 2400GE are not on any list, and neither is the Athlon PRO 200GE. Don't confuse them with desktop Zen+ chips such as the Ryzen 5 2600, which are listed.
• Picasso Ryzen 3000 APUs: the Ryzen 3 3200GE and PRO 3200GE, the Ryzen 5 PRO 3350GE, and the Ryzen 5 3400GE and PRO 3400GE are listed, as are the Athlon 300GE and PRO 300GE. The first-generation ThinkCentre M75q Tiny shipped with 2000 and 3000-series options, so support depends on which CPU your unit has.
• Ryzen Embedded: the lists include only the R2000 series (R2312, R2314, R2514, R2544) and the V2000 series (V2516, V2546, V2718, V2748). R1000 and V1000 parts, including the V1756B that ServeTheHome found in HP's t740 thin client, are not listed.
• Ryzen 4000 (Renoir) and later: supported. The 24H2 list includes the Ryzen 5 PRO 4650GE and Ryzen 7 PRO 4750GE (the ThinkCentre M75q Gen 2 and EliteDesk 805 G6 Mini), the 4500U, 5560U, 5600U, 5700U and 5825U, the 6600H, 6800H and 6900HX, and the 7735HS, 7840HS and 8845HS found in consumer minis. The 25H2 list covers the Ryzen and Ryzen PRO 4000 through 9000 series.

When a listed CPU still fails the check

A used mini PC with a listed processor can still fail PC Health Check, and the cause is usually a firmware setting left over from its corporate life:

• The TPM is turned off or hidden. Microsoft's TPM article lists the setting names to look for, including Security Device Support, TPM State, Intel PTT and AMD fTPM. Re-enable it in the BIOS security menu.
• Secure Boot is unavailable because the firmware is set up for legacy boot. Microsoft says these settings can be changed in the UEFI firmware. On a fresh install, use UEFI mode from the start.
• A BIOS admin password blocks all of the above. That's why the buying checklist puts it first.
• The BIOS is several years out of date. Update from the vendor's support site before you troubleshoot anything else.

If a machine passes, the upgrade from an activated Windows 10 install is the easy path: Microsoft says it is free for eligible PCs running Windows 10 version 22H2. A clean install on a machine with an embedded license usually activates automatically.

What "unsupported" actually means

Windows 11 can be forced onto an unlisted CPU, but Microsoft's support article is blunt. It doesn't recommend it, says the device won't be supported and isn't guaranteed to receive updates, including security updates, and says Windows shows a desktop watermark and a Settings notice. Its install disclaimer adds that damage from compatibility problems isn't covered by the manufacturer warranty. For a desktop you depend on, that's a poor basis.

For a server role, none of this matters. A 6th or 7th-gen Tiny runs Linux, Proxmox VE and Home Assistant OS without any Windows requirement. Home Assistant's x86-64 instructions only ask for a 64-bit system that can boot in UEFI mode, and tell you to disable Secure Boot. A 7th-gen machine is a sensible buy for Home Assistant, network services or a Proxmox homelab node. If you want Windows 11 on the desktop, start at 8th gen. If you also want Plex or Jellyfin hardware transcoding, see Quick Sync by generation.

Checklist for buying a Windows 11 mini PC

• Get the exact CPU model from the listing or a BIOS photo. "Core i5" alone tells you nothing: an i5-7500T is out and an i5-8500T is in.
• In the BIOS, confirm the TPM is enabled and reports version 2.0 (Windows shows it under Device Security > Security processor details, or in tpm.msc).
• Make sure the machine boots in UEFI mode with Secure Boot available. Microsoft notes some firmware settings can make Secure Boot look unavailable.
• Check for a BIOS admin password first. You can't change TPM or Secure Boot settings without it.
• Check which license comes with it. ServeTheHome found many off-lease units carry an embedded Windows 10 Pro license, while some carry Home or none. Microsoft says the upgrade to Windows 11 is free for eligible PCs running Windows 10 version 22H2.
• Plan for at least 8 GB of RAM and an SSD even though Microsoft's minimum is 4 GB and 64 GB.

For the other things to check on an off-lease unit (power brick, Absolute, vPro, drive brackets), see the used mini PC buying checklist.