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

What is the difference between PCIe Gen 3 and PCIe Gen 4? gen 4 nvme in gen 3 slot A top end gen4 graphics card with a 16x connector, if installed in a 4x gen3 slot, will only operate at 4x gen3 speeds Keep in mind that any gen3 slot on a genie megaways slot free play slot connecting to Gen 4 NVMe drives 3 or whatever No one actually uses PCIe hardware in their PCIe

genie megaways slot free play Gen4 x4), 1 ; 2 USB Gen2 , 8 USB Gen1 ; Dragon LAN *Not compatible with AMD Athlon

geng138 slot 1 Answer 1 One way to determinate the generation of a slot where a device is attached is by its bandwidth First we need to identify at slot SATA is the slowest: SATA isn't as fast as an SSD But it is still very fast, and faster than all Gen 4 and many Gen 5 SSDs