NVMe x4 adapter card for PCIe x1 slot

Generally speaking, if you install an SSD in the chipset slot, you're going to see it use 2 lanes worth of bandwidth most of the time

2 slots support only PCIe SSDs Combo SSD slots support both interfaces so you can use either a SATA SSD or a PCIe SSD with them NVMe is

m2 pcie 40 in 30 slot The 2023 Mac Pro allows users to directly connect PCIe cards Apple gives some recommendations on how to install and configure them and

m2 slot pc Most of cheap dual adapters provide one slot for PCIe, and one for SATA True dual PCIe cards have x8 connector, for example AOC