Hey everyone! I'm in the process of building a PC for a friend and we're going with an Intel i9-14900K paired with the ASUS TUF Gaming Z790-Plus WiFi motherboard. I wanted to know if I can use 2x64GB RAM with this setup. I've read that the DIMM slots can handle up to 512 GB, but the specs on the motherboard say it supports a maximum of 128GB with 4 x DIMM, which makes me think the limit is actually 4x32GB. We're planning to use the CORSAIR VENGEANCE DDR5 RAM 2x64GB 6400MHz (CMK128GX5M2B6400C42). Thanks for your help!
2 Answers
The QVL usually doesn't get updated, but I think 2x64GB kits might still work fine. You might just need to manually set the timings and frequency in the BIOS. Just a heads up though, if you go for 4x32GB, don't expect great performance without XMP/EXPO working as it's a lot slower.
It looks like 2x64GB kits aren't listed on ASUS's approved memory list, so I'd be cautious. They do support 2x48GB kits, which could be a safer bet. Just to keep in mind, compatibility can sometimes be hit or miss with unlisted models.
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