What Are Expansion Slots Called?

An expansion slot is a socket on a motherboard that accepts an expansion card. The most common type of expansion slot used today is the PCI Express (PCIe) slot.

Most motherboards have multiple expansion slots so that you can add more capabilities to your computer. For example, if you wanted to add a Thunderbolt 3 card to your computer, you would need to use an expansion slot.

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The term “expansion slot” is typically used to refer to slots on a motherboard that accept expansion cards. However, there are other types of expansion slots as well.

For example, some laptops have what are called “ExpressCard slots.” These are used to add capabilities like extra USB ports or a cellular modem.

The bottom line is that expansion slots are sockets on a motherboard that allow you to add more capabilities to your computer. If you want to add a new card or device, you’ll need an available expansion slot.