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

The one on the right is a Samsung SSD that can use up to four PCI Express lanes III and two PCIe lanes The very fastest SSDs tend to

Solid-state drives offer more reliability and performance than traditional mechanical HDDs for greater uptime OCP slot with PCIe Gen 4 x16

pcie x 16 slot  An 2280 solid-state drive , 22 mm wide and 80 mm long Connects to, Motherboard via one of: PCIe ×4; PCIe ×4; PCIe ×4; Serial ATA

pcie m2 slot Comments You've got x4 slots, the SSD you've mentioned will work in any of them That's great, was so worried I had to buy another pcle gen x 4 ssd