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

PCIe SSDs are twice as fast as PCIe SSDs But next-generation PCIe SSDs will double PCIe Gen 4 speeds

PCIe Gen4 is the fourth generation of the PCI Express specification As the subsequent iteration of Gen3, Gen4's data transfer rate is twice that of PCIe Gen 3,

slot t offense On 12th gen motherboard, what happens if you plug a Gen 3 SSD into a Gen 4 Slot and

low volatility slot machines list Gen 4 SSDs aren't worth it unless you're working with large files and doing a lot of sequential readwrites