What is the purpose of the PCIe X1 slot

What is the purpose of the PCIe X1 slot pcle x1 slot SATA card for PCIe x1 slot with 8 ports Bizarro pcle x16 slot You can insert a PCIe x1 card into a PCIe x16 slot, but that card will receive less bandwidth Similarly, you can insert a PCIe x8 card into a

pcle x16 slot Every PCIe slot supports its own number of CPU lanes X16 has 16 Lanes support, X8 has 8 Lanes support, X4 has 4 lanes support and x1 has

pcle slot 1 PCIe x16, 1 PCIe x16, 1 PCIe x1, 1 Key E for WiFi - 1 x PCI Express x1 Slot - Supports AMD Quad CrossFireX™ and CrossFireX NVMe PCIe® x4 & PCIe® x2 • 1x PCIe ® Slot 2 2280 • NVMe PCIe x4 and SATA Mode 12 Smart Fan 5 + FAN STOP • 3 Fan