External/Internal Power Supply Accessories

External power supplies are designed to power devices that are not connected to the main power grid. These power supplies come in a variety of sizes and shapes and can be used for a variety of applications. Examples of external power supplies include wall adapters, desktop power supplies, laptop power supplies, and USB power supplies.

Internal power supplies are designed to power devices that are connected to the main power grid. These power supplies come in a variety of sizes and shapes and can be used for a variety of applications. Examples of internal power supplies include ATX power supplies, SFX power supplies, and EPS power supplies.

Off-board accessories are designed to provide additional features or functionality to a device. These accessories can be connected to a device either externally or internally. Examples of off-board accessories include expansion cards, adapters, cables, and external storage devices.