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

How to tell what version of PCI Express slot your system has? pc pcie slot LPC-870 – Rugged Fanless, Mini PC with Dual Removable Drives · LPC-875 – Rugged Fanless, Mini PC with Dual Removable Drives · LPC-862 – pciex1_1 slot Mini PCi chip is a small circular card, but it can also be used with other cards, such as the Slot Mini PCi slots are the most commonly used type of microchips

pcie x16 expansion slot Two types of PCIe slot on an Asus H81M-K motherboard Various slots on a computer motherboard, from top to bottom: PCI Express x4; PCI Express x16; PCI Express