Does Dell Optiplex 5060's slot has PCIe x4 speed?

pcie 4 m 2 in pcie 3 slot   Dan pcie slot configuration gen1 gen2 gen3

1 x _2 socket 3, with M Key, Type 224222602280 storage devices support 4 x SATA 6Gbs port, Support

The card physically has an X4 interface, so it could be plugged into an X4, X8, or X16 slot It can still physically only access 4 lanes (else A single PCIe slot can now support x16, x8, x4, x2, or x1 lanes For example, PCIe x4 indicates a Gen 3 expansion slotcard with four lanes

recensione slot merlins magic mirror Dedicated OCP SFF slot with PCIe x16 host interface Supports a variety of 2-port and 4-port adapters with 1, 10, 25 or 100 GbE network connectivity  Gen 4 is faster than Gen 3