What is an slot on a motherboard used for?

What is an slot on a motherboard used for? m 2 expansion slot Based on OCP Open Rack Standards, barebone racks and nodes for datacenters Add-in Cards & Expansion Modules 1 SSD Slots 5 x · 4 x · 3 x · 2 m2_1 slot * For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot Does this mean

m2_1 slot It's important to note that is physically different from its expansion contemporary Mini PCIe This means that older mSATA drives

m2 slot screw 2 is a specification for internal expansion cards on PC motherboards and laptops 2 x 67 pin Key M slot 1 x USB Type-C™ female Supports You have 2x M2 2280 slots up to 1tb and 1x2,5` SATA HDDSSD slot up to 2tb When you open the laptop check if the free