I think I got the point. First, update to the latest BIOS. Then get in the BIOS and click restore settings, choose "BIOS default settings"(not the “factory settings”). After that my M.2 on board got a full speed.
Hi, is this CrystalDiskMark test ok? It seems a bit slow for NVMe, doesn't it? BC511 NVMe SK hynix 512GB [IMAGE]
XPS 8940, SSD is slow?