what is a pci slot on a motherboard: Amazon.com: USB 3.1 PCIe Card, RIITOP PCI-e 3.0 to USB3.2 Gen ... . What Do PCIe Slot Colors Mean? | Techwalla. The ASRock Fatal1ty H270 Performance Motherboard Review.
Hardware Requirement: 1x Available PCI-e 3.0/4.0 x4/x8/x16
Slot on Motherboard, if the PCI-e Slot is lower than 3.0, the speed will lower than 10Gbps.
According to PCI-SIG, the original PCI Express standards did not specify that the
motherboard slots have to be a specific color.
However, I have a cavoite in that my motherboard only has an 8 lane PCI 2.0 port available (I have a PCI 3.0 x16 port but it is occupied with a GPU).