expansion slots: what is socket 1, Key A and how many sl

List of Motherboards with 2 Ports m 2 ssd slot on motherboard If your motherboard doesn't have an PCIe slot, don't panic You can grab an PCIe Adapter on Amazon for under $20 It is a great option for m24 slot ZEBRONICS ZEB-H61M2 built in NVMe Slot + Acer 256GB NVMe SSD Combo Set Motherboard ZEBRONICS ZEB-H81M2 with PCIE NVMe Slot Motherboard

m2_1 slot Helpful Tip: Keep in mind that an SSD is only compatible with a motherboard that supports a slot SATA SSD vs PCIe SSD