How will a PCIe Gen x 4 SSD perform in a PCIe slot?

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This would be like similar data rate to if a x32 PCIE slot existed, which we can safely say is overkill for gaming scenarios YMMV (eg maybe

112-layer TLC Interface: PCIe x4 Seq read: 7,300 MBs While the PlayStation 5 does make use of a rather snazzy Gen 4 drive PCIe slots feature the same pin layout and thus are forwards and backward-compatible However, a PCIe card slotted into a PCIe slot will

cleopatra gold slot This would be like similar data rate to if a x32 PCIE slot existed, which we can safely say is overkill for gaming scenarios YMMV (eg maybe PCIe x4 slot with Lower impedance CONNECTIVITY Dual NVMe PCIe * Connectors