Sonnet 4x4 PCIe Card for SSDs

What Are PCIe and ? pcie 4 nvme in pcie 3 slot I got a really great nvme pcie3 x8 card with 2 nvme slots that works flawless even without bifurcation Ableconn PEXM2-130 Dual PCIe NVMe pcie expansion slot You can have one, four, eight or sixteen lanes in a single PCIe slot, denoted as x1, x4, x8, or x16 PCIe technology enables interface

pcie nvme slot You're referring to NVME based M2 SSDs, correct? But yes if the SSD is PCIE spec then of course the speed will be less when used on PCIE