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

What is the difference between PCIe Gen 3 and PCIe Gen 4? pcie 4 slot 4U GPU expansion system · Up to 16 PCIe x8 slots · PCIe Gen4 x16 · Rackmount design · 4000W power supply · SKU: OSS-PCIe4-4UV-16-2 pcie 40 in 30 slot PCIe Slot Version

pcie 40 in 30 slot List of Motherboards with 4 PCI-Express x16 Slots: ASUS Pro WS TRX50-SAGE WIFI, GIGABYTE A620M C, GIGABYTE B650M C V2, ASUS Prime B760M-A AX, GIGABYTE B760M

pcie slot function 4 slots typically have 1 from the CPU, rest from the chipset so you still have 16 lanes left for the GPU Secondary PCI-E slots normally run An Intel SSD that also uses the PCIe bus; A Samsung SSD that can use up to four PCIe lanes The numerical naming convention is used to define the size and