What's the bandwidth and form factor for PCIe x1 x4 x8 and x16?

What's the bandwidth and form factor for PCIe x1 x4 x8 and x16? pcie slot sizes The PCIe WiGig card measures 73 mm x mm x mm , including the backplate Make sure your motherboard and case have pcie 4 nvme in pcie 3 slot PCIe slots on motherboards accommodate expansion cards, with slot sizes determining data transfer bandwidth For

pcie 4 nvme in pcie 3 slot PCIe Slots · A PCIe slot that supports an FHFL PCIe card is backward compatible with an FHHL or HHHL PCIe card · A PCIe slot that supports a PCIe

pcie slot width PCI Express x16 — Sixteen lanes, largest slot *some slots may not have matching lanes in bandwidth, more on this throughout the article  Verilux® NVME Adapter PCIe x16 with Gel Pad, NVME or AHCI SSD to PCIE Adapter Card for Key M 2230, 2242, 2260, 2280 Size SSD, Support PCIe x4 x8