acer predator Orion 5000-P05-650 - upgrades. how i can upgrade the ram and cooling as CPU temps high

The PO5-650 desktop can be upgraded to the following ram specs as recommended by Acer and the most used community members cpu coolers are the smaller Noctua NH-U9S chromax black or the full-sized NS-U12S chromax black. Below are all the specs that you will need for the ram and what Acer recommends for this desktop. Good luck

PO5-650 ram specs

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Where did you get 24GB modules?

I didn't know anyone made 24GB modules, they are normal a multiple of two, so 8GB, 16GB, 32GB…

Odd… They must have enough fallout on the larger chips to do something in a mid size like that.

I wouldn't expect it to be a motherboard thing, the size limits are imposed by the number of address lines on the bus. Adding an address line doubles the amount of memory that can be supported, so historically sizes have always doubled with each generation. 256MB, 512MB, 1GB, 2GB, 4GB, 8GB, 16GB, 32GB, etc.. To release a size that is in between requires different circuitry on the DIMM itself, since it's got the address lines for 32GB on a 24GB stick and the addresses for 64GB on a 48GB stick. It might just be that the larger chips aren't readily available, so instead of using 8 memory chips on a DIMM they are using 12 (single sided), or instead of 16 they are using 24 (double sided). 128GB and 256GB DIMMs for servers have been out for a while already, so you would think for desktops, which are less complex since they aren't registered and don't have ECC, would be a slam dunk. I have 192GB on one of my servers here at home already, since it's running my email.