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 in pcie 3 slot ssd The SSD should work because the _2 slot supports both NVME and SATA but the speed will of cause be lower than the main _1 port Another pcie4 slot PCIe PCIe x 16 Slots 7 · 6 · 5 · 4 · 3 · 2 · 1 SSD Slots 5 x SuperSpeed Storage：3*PCIe Connectors; EZ-Latch：PCIe x16 Slot with Quick

pcie4 slot PCIe x16: your motherboard often has a primary x16 slot for GPUs and additional x16 slots 16 PCIe lanes can support an expansion card with 4 additional

pcie m2 slot Two types of PCIe slot on an Asus H81M-K motherboard Various slots on a computer motherboard, from top to bottom: PCI Express x4; PCI Express x16; PCI Express For example, a PCIe x4 SSD card can fit in a PCIe x4 or x8 slot, but a PCIe x8 card won't be compatible with an x2 or x4 slot