What is the difference between PCIe Gen 3 and PCIe Gen 4?

SYONCON PCIe Multiplier, PCIe Splitter 1 to 4 PCI-Express 16X Slots Riser Card, PCI-E 1X to External 4 USB Adapter for BTC Miner Machine GPU Mining

What is the difference between PCIe Gen 3 and PCIe Gen 4? 4-3, per single PCI Segment Group show less , ECN, November 18, 2018 Errata for the PCI Express® Base Specification Revision , , Errata, October 31

SYONCON PCIe Multiplier, PCIe Splitter 1 to 4 PCI-Express 16X Slots Riser Card, PCI-E 1X to External 4 USB Adapter for BTC Miner Machine GPU Mining

pcie 50 x16 slot Limiting the PCI Express interface to Gen 3 meant that the available bandwidth dropped to GBs In other words, using PCIe 4 means that

SYONCON PCIe Multiplier, PCIe Splitter 1 to 4 PCI-Express 16X Slots Riser Card, PCI-E 1X to External 4 USB Adapter for BTC Miner Machine GPU Mining

pcie 4 ssd in pcie 3 slot Slot genügen Rechnerisch kämen wohl gerade mal etwas über 6Gbytes über den PCI Bus, da die RTX 4060ti nur 8 PCI Lanes nutzt

The following image shows the PCI connections of the motherboard used in DuroPC's IMB540-4 Notice 'SLOT 13' are PCIe x16 slots but only Slot 3 has an x8