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06-08-2025 09:50 AM - edited 06-08-2025 09:57 AM
The available manuals can be found on the support page for your PC:
HP Slimline Desktop - 450-a12il - Setup and User Guides | HP® Support
The links to the HP specifications for your PC no longer exist, so you will have to rely on a 3rd party source for information.
Here's the link to the parts list:
The processor is an integral part of the motherboard and cannot be upgraded.
The PC supports up to 2 x 4 GB of DDR3L-1600 SODIMM (notebook size) memory.
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