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A power supply is the backbone of any electronic system, converting electricity from a wall outlet into a usable form for computers and other devices. It ensures that every component receives stable voltage and current, preventing damage and improving performance. Without a reliable power supply, even the most advanced hardware cannot function efficiently.

Types of Power Supplies

There are several types of power supplies designed to meet different needs. The most common in personal computing is the ATX power supply, which powers desktop computers. For portable devices, external adapters and laptop power supplies are widely used. High-performance setups often require modular power supplies, allowing users to connect only the cables they need, improving airflow and organization within the system.