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

2 Types of SSDs: SATA and NVMe can you put a gen 4 ssd in a gen 3 slot Gen 4 SSDs aren't worth it unless you're working with large files and doing a lot of sequential readwrites can you put a pcie x1 in a x16 slot Can I Use a PCIe SSD on a PCIe Motherboard? Yes, but you will be limited to PCIe speeds That's about it, really- fortunately PCI

cantik 77 slot 3 drives use the same 12+16 Pin connector and all share a PCIe x2 interface, except for the 1TB Gen 3B SSD which has a PCIe x4