How to tell what version of PCI Express slot your system has?

Motherboards with a good number of PCIe slots pc pcie slot If you google the make and specific model of PC and find the system specs, this will tell you, requires a little effort but less than accessing pcie slot bracket 2 is a slot that can interface with SATA , PCI Express

pcie 4 card in pcie 3 slot Every desktop PC motherboard has a number of PCIe slots you can use to add GPUs , RAID cards, Wi-Fi cards or