I recently bought an ADATA Premium M.2 Gen 4 SSD for my PS5, which has 99% health, at a great price of $93 CAD (about $68 USD). While some games like SF6 load noticeably faster, I'm concerned because the read speeds seem to be only about 25% of what was advertised. My motherboard is an Aorus X470 Ultra Gaming, and according to the specs, I have two M.2 slots. It looks like I'm using the M2B socket that supports PCIe 2.0 x4, which might be causing the slow speeds. I couldn't find much info on the generation for the M2B socket. Can anyone help clarify if using this slot could really be the issue?
2 Answers
It sounds like you're on the right track. The M.2 Gen 4 SSD you're using is designed to operate at PCIe 4.0 x4 speeds, but if it's plugged into a socket that only supports PCIe 2.0 x4, you're definitely not getting its full potential. The speeds are capped at about 25% of what you'd expect from a Gen 4 drive. You should try moving it to the other slot that supports PCIe 3.0. It should significantly improve your speeds, but keep in mind you still won't hit Gen 4 speeds in that slot.
Makes absolute sense! When you put a PCIe 4.0 SSD in a PCIe 2.0 slot, you're really limiting the performance. If your motherboard allows it, switching to the PCIe 3.0 slot should definitely give you a noticeable boost, though it won't be the max speed of a Gen 4 SSD. You should notice a good improvement once you make that change!
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