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- HP Community
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- Desktop Hardware and Upgrade Questions
- what CPU I can upgrade to? my motherboard is hp843c

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10-19-2024 06:32 PM
My motherboard is hp843c, may be too old. I can't find its specification in hp support doc. I would like to upgrade my CPU, but I didn't know what kind of CPU it can support.
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10-19-2024 06:53 PM
The only motherboard that I could find is this one with a 843C SSID, which is not that old.
HP Desktop PCs - motherboard specifications, LincsB | HP® Support
Processor upgrade information
- TDP: up to 65 W
- Socket type: LGA1151
- Motherboard supports the following processor upgrades:ProcessorTDPIntel Core i7+ 8700, 6C, 3.2 GHz (Coffee Lake-S)65 WIntel Core i5+ 8400, 6C, 2.8 GHz (Coffee Lake-S)65 WIntel Core i7-8700, 6C 12T, 3.2 GHz (Coffee Lake-S)65 WIntel Core i5-8400, 6C 6T, 2.8 GHz (Coffee Lake-S)65 WIntel Core i3-8100, 4C, 3.6 GHz (Coffee Lake-S)65 WIntel Pentium Gold G5400, 2C, 3.7 GHz (Coffee Lake-S)54 WIntel Celeron G4900, 2C, 3.1 GHz (Coffee Lake-S)54 W
It would be much better if you posted the full model number or product number of your PC instead of a motherboard ID.
10-19-2024 06:53 PM
The only motherboard that I could find is this one with a 843C SSID, which is not that old.
HP Desktop PCs - motherboard specifications, LincsB | HP® Support
Processor upgrade information
- TDP: up to 65 W
- Socket type: LGA1151
- Motherboard supports the following processor upgrades:ProcessorTDPIntel Core i7+ 8700, 6C, 3.2 GHz (Coffee Lake-S)65 WIntel Core i5+ 8400, 6C, 2.8 GHz (Coffee Lake-S)65 WIntel Core i7-8700, 6C 12T, 3.2 GHz (Coffee Lake-S)65 WIntel Core i5-8400, 6C 6T, 2.8 GHz (Coffee Lake-S)65 WIntel Core i3-8100, 4C, 3.6 GHz (Coffee Lake-S)65 WIntel Pentium Gold G5400, 2C, 3.7 GHz (Coffee Lake-S)54 WIntel Celeron G4900, 2C, 3.1 GHz (Coffee Lake-S)54 W
It would be much better if you posted the full model number or product number of your PC instead of a motherboard ID.