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

Install PCIe cards in your Mac Pro can i put a gen 4 m 2 in a gen 3 slot I purchased a 4TB 2280 PCIe Gen4 NVMe SSD to add to an Inspiron 15 7567 as a storage drive The original hard drive was getting noisy can casinos rig slot machines Practically if you want the fastest drive, match the generation of your slot with the drive (so if you have a PCIe gen 4, get a gen 4 compatible

can casinos change the odds on slot machines So it is possible to connect PCIe as well as SATA SSDs Furthermore, both bus systems at every port can be used at the same time How is the design and what are