Pi 5 PCIe Gen 3 SSD Performance vs USB 3

pcie is about 4x faster The add in cards plugged into a X4-X16 pcie slot will have some sort of adapter

Some of the more expensive boards have the ability to bifurcate to two separate slots with 8 lanes each The only slot that will work with

m2 sata slot PCI-SIG also authored standards for SSDs, which provides PCIe connectivity for small form factors and is designed for internally mounted expansion cards

m2 slot pc PCIe SSDs and NVMe SSDs using riser cards already enjoy speed advantages over drives that connect over a SATA data cable The higher throughput of PCIe