What are the top uses of PCIe x1 Slots?

pcie 1x slot   Dan pcie x16 expansion slot

x16 slot is the most capable slot of those and if you install an x16 supported card it works at fastest x8, x4 and x1 slots are

A PCIe x1 slot has one lane and can move data at one bit per cycle A PCIe x2 slot has two lanes and can move data at two bits per cycle (and so Helpful Tip: Keep in mind that an SSD is only compatible with a motherboard that supports a slot PCIe buses can support 1x, 4x, 8x, and 16x lanes

angels touch slot Ever wondered how you can jam a PCIe 16x card like a video card into a PCIe 1x slot? Now you You can place a PCIe 1x card into any available PCIe slot and it will work