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Expansion slots refer to the additional ports for plugging in extra hardware like graphics cards, solid-state drives, audio cards, and more.
Key parts of the motherboard include
slots for RAM, the chipset, PCI and
AGP slots for expansion cards, and connectors for components like displays, USB ports, and sound cards.
The maximum number of expansion cards you can add to your computer will depend on the number and types of expansion
slots available on your motherboard.
While individual adapter cards may offer the capability to speed up one part of the workflow, installing three adapter cards to get all the interfaces a user needs may not be feasible, even in computers with multiple expansion
card slots.