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I couldn't find the answer to this in the manual or online so I decided to test it myself. There are two M.2 slots on the motherboard. The first is labeled PCIE and the 2nd is labeled PCIE/SATA. The PCIE slot is PCIe 4.0 and the PCIE/SATA slot is PCIe 3.0. The way I figured this out was to put a Sabrent Rocket PCIe 4.0 NVMe drive in slot 2 then in slot 1. In slot 1, I read a peak performance of 6994 MB/s (see attached). That benchmark is only achievable with PCIe 4.0. Slot 2 had a peak performance of about 3500 MB/s which is consistent with PCIe 3.0.
Sorry, there was a problem. Please try again later.Sorry ASUS Answers. Both slots are not PCIe 4.0 in the laptop I received from Best Buy last week (Sept 3rd). I would love it if it were true, though. Do you have documentation showing they are both PCIe 4.0? I'll grab another PCIe 4 NVMe drive if that's the case. Ah, maybe you mean that a PCIe 4 capable SSD will work in both, but only at PCIe 3 speeds in slot 2? Thanks!
Sorry, there was a problem. Please try again later.Yes, both SSD slots supports M.2 NVMe PCIe 4.
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