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

Is there any benefit to putting a PCIe 4 SSD in a PCIe 3 slot? can i put a gen 4 m 2 in a gen 3 slot 2 supports both SATA and PCIe, an module may only be inserted in either one of the two interfaces, so check your motherboard documentation can you own a slot machine All new servers support PCIe Gen 4 for all front drive bays and onboard slots · Broadcom® Tri-mode storage adapters supported: R152-Z33, R272

candy paradise slot Good idea I think the best idea is to get pcie x 4 if building today