4-Drive NVMe SSD to PCIe x4 Adapter Card

How will a PCIe Gen x 4 SSD perform in a PCIe slot? pcie 3 0 x4 slot If three slots are in use, the third is x4 From the Asrock specs page pcie 4 in pcie 3 slot ssd I bought a PCIe x4 NVMe SSD with a maximum read speed of approximately 3500MBs and I'm going to put it in a PCIe x4 slot

pcie 4 slot If you have a single GPU and no other expansion cards, you should be fine with using the lower NVMe slot If you need to use those PCIe slots,