What is an slot on a motherboard used for?

How to Install an NVMe SSD Hard Drive and Why You Should ssd m 2 slot Hi, I currently am using a Pi 5 and I have connected via a Blue USB slot an External SSD enclosure, with an PCIe Gen 4 NVMe SSD in it ssd m2 slot 2 SSD on a motherboard that supports PCI third generation, its speed may be much faster than conventional SATA drives Tip: You may be

gold rush cowboys slot 2 PCIe slot which should be easy to spot in a desktop computer For laptopsnotebooks, the PCIe slot is usually under the bottom panel or under the keyboard