Can I use a 1x PCIe slot?

PCIe vs NVMe: Are They the Same? pcie 3 0 x1 slot Other PCIE slots are x16 physically, but they all operate as x1 electrically With that said, if I put my HBA to the x1 slot, what is pcie 40 gpu in 30 slot The PCI-E expansion riser card adapter is designed to convert 1 PCI-E 1X slot into 3 PCI-E 1X slots The 3 PCI-E 1X slots could connect sound card, graphics

pcie x 16 slot List of Motherboards with 2 PCI-Express x1 Slots: ASRock B760M-H, ASRock H610MAC, ASRock B760M-HDV, ASUS ROG Strix B760-A Gaming WiFi,