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

Does Dell Optiplex 5060's slot has PCIe x4 speed? pcie 4 m 2 in pcie 3 slot Like generations of PCIe before it, PCIe 4 doubles its bandwidth over the last-generation, increasing the per-lane bandwidth to 2 gigabytes per pcie 40 in 30 slot 3 Best 2TB+; 4 Best for Steam Deck; 5 Best for PS5; 6 Best PCIe 5; 7 How to spot the best deals

pcie 40 in 30 slot obviously, a pcie 4 NVMe drive will get maximum performance in a pcie 4 slot, but I'm trying to get a sense of how the latest drives

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