The SATA power connector is a type of electrical connector used to supply power to SATA devices, such as hard drives and solid-state drives. It typically has 15 pins and provides three different voltage levels: +3.3V, +5V, and +12V. This design allows for efficient power distribution to support various components within the device. The SATA power connector is commonly found in modern computers and is essential for connecting storage devices to the power supply unit. Its compact size and straightforward design make it easy to install and manage within a computer's case, ensuring reliable operation of storage devices.