How find out if the PCIe is PCIe or PCIe ?

If three slots are in use, the third is x4 From the Asrock specs page

How find out if the PCIe is PCIe or PCIe ? 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

If three slots are in use, the third is x4 From the Asrock specs page

pcie slot dimensions YMTC 232-layer TLC Interface: PCIe x4 Seq read: 7,400 MBs slot 7,300 MBs sequential reads and 6,800 MBs writes puts it

PCIe version ; Number of lanes on the card you plug into a connector

pciex4 slot The SSD should work because the _2 slot supports both NVME and SATA but the speed will of cause be lower than the main _1 port Another

1 x PCIe x16 slot Intel® Z790 Chipset 3 x PCIe x16 slots 1 x PCIe x1 slot so there is not a 2nd pcie slot at x8 Originally