What is an slot on a motherboard used for?

What is an slot on a motherboard used for? m 2 card slot On regular office and gaming PC motherboards, the slot closest to the CPU will most often be the one that has the highest bandwidth, but always check your m24 slot wallet 2 2280-sized NVMe drives, it is the first consumer graphics card to provide an onboard SSD slot When an drive is attached to the SSD, it

m24 slot wallet 2, also known as NGFF is the successor of the mSATA standard for expansion cards 1x 2280 NVMe slot and 1x 2230 NVMe

m2 pcie slot 2 slot But I thought that M+B keyed cards worked in M keyed slots Is there something I need to be aware of? Dees the PCIe expansion card adapter or a multi NVMe SSD PCIe expansion card What are