Install PCIe cards in your Mac Pro

PCIe 3 Transfer Rates :: Hardware and Operating Systems m 2 gen 4 in gen 3 slot Practically if you want the fastest drive, match the generation of your slot with the drive (so if you have a PCIe gen 4, get a gen 4 compatible m2 nvme slot Yes, PCIe is backwards compatible as long as the item fits it The main issue is the slot is slower than the so it won't be as fast as

m2 slot types I have a WD black SN850 500GB in my _1 slot on my ASUS ROG Strix x570i mobo The only thing I can find in bios is set to _1 link = Gen 4