Understanding M.2 Slots on the Gigabyte B650 Gaming Motherboard

February 11, 2026 2 answers
Asked by TechExplorer99
I'm trying to figure out how to properly install my M.2 drives on the Gigabyte B650 Gaming motherboard. Specifically, I want to confirm whether the two M.2 slots below the CPU support NVMe Gen 4 and if the main M.2 slot closest to the CPU supports NVMe Gen 5. I need to place my Gen 4 and Gen 5 drives in the correct slots. I also can't seem to add images of my setup. Any help would be appreciated!

Answers

TechSavvyJoe
Just to clarify, all three slots do support Gen 4, but for optimal performance, you should use the M.2_1 slot for the fastest drive since it connects directly to the CPU. I noticed some conflicting information on the manufacturer's website, so just double-check the specs there.

CuriousUser21: But it says 1 PCIe 5.0? Which one is that?

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GamerGuru88
You're correct! The M.2 slot labeled M2A_CPU closest to the CPU supports both NVMe Gen 5 and Gen 4. The other two slots, M2B_CPU and socket 3, only support NVMe Gen 4. Check out page 9 of the motherboard manual for more details, I've got the link here if you need it: https://download.gigabyte.com/FileList/Manual/mb_manual_b650-gaming-x-series_1502_e.pdf.

TechExplorer99: Awesome thanks!

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