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1 Rookie
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1 Message
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87
September 22nd, 2025 00:19
Upgrade motherboard in an Inspiron 3650 to support Windows 11
I would be interested to see if the Pro's out there have ever put an aftermarket motherboard in a 3650. I can see Dell not having something for me, so I'm forced to look elsewhere. I would need a new CPU and RAM, but that's not too much an issue. Any help would be appreciated.
Thank you.
ejn63
10 Elder
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30.8K Posts
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September 22nd, 2025 00:22
It's really not worth the effort -- nothing aftermarket will just drop in without extensive rewiring and other work. Do you really think the time involved is worth saving a system that's worth about $50?
If you want to avoid buying new and stay with Dell, you can find a much newer Optiplex system used that will work with full support for Windows 11.
redxps630
9 Legend
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15.5K Posts
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September 22nd, 2025 23:47
Dell offers Inspiron 3670/3671 mobo which can meet Win 11 requirement but 3650 case and 3670 case skeleton do not match. may as well buy a used 3671 desktop if price is good.
3650
Height 352.90 mm (13.90 in) Width 154 mm (6.06 in) Depth 303 mm
3670
3650 mobo
3671 mobo
(edited)