The CanaKit 5.1V 3.5A DCAR-RSP-3A5C is a pre-owned power supply that has been tested and is in good working condition. This black power supply is made by trusted brand CanaKit, and is designed to provide reliable power for various computer components and networking devices. With its compact size and efficient performance, this power supply is a great choice for those looking to upgrade or replace their current power supply for improved functionality. This model is compatible with a range of devices and offers a stable power source for smooth operation.