When did slots become commonplace? And NVME slots?

2 specified SSD, your motherboard will need to have an slot The 2 is the SSD form factor, while NVMe is the interface that connects it to the

2 slot If your motherboard does not have an slot, you may be able to use an drive by using an adapter card that fits

m24 slot wallet PCIe · Portable SSD · Memorys · DDR5 series · DDR4 series · Industrial Support 12 x PCIe slots; Support Connector; Support HDMI Connector

m2 sata vs nvme slot 2 drives aren't connected to a motherboard via a cable, they're instead plugged directly into the motherboard using a dedicated connector