what is a pcie x1 slot good for?

There are two possible meanings for PCIe1: PCIe and PCIe x1 PCIe refers to any PCIe slot which uses the first version of the PCIe

A PCIe x1 slot has only one PCIe lane Although there is only one PCIe lane, the PCIe x1 slot can be used for various low-power PCIe

pcle x16 slot slot PCIe is large The PCIe x1 and 16 lane PCIe x16 It is a serial bus point-to-point protocol General processors use the smallest PCI x1 slots

pcle x1 slot What are PCIe x1 Slots Used For? A PCIe x1 slot is used to plug in low-demanding PCIe expansion cards that do not have a very high throughput