What is a motherboard power cable? What are the types and functions of motherboard power cords?

A motherboard power cable is a cable used to connect a power supply unit (PSU) to a computer's motherboard to provide the motherboard with the required power supply. It is one of the key power components in a computer system and is responsible for transferring electrical energy from the PSU to the various circuits and components on the motherboard to ensure the normal operation of the computer. The types and functions of motherboard power cables mainly include the following: 1. Main Power Connector (ATX Power Connector): The main power connector is the main power connection interface on the motherboard, usually a 20+4-pin or 24-pin connector. It provides the main power supply to the motherboard, including +3.3V, +5V, +12V and other voltages. The main power connector is responsible for providing power to various components on the motherboard, such as the processor, memory, expansion cards, etc. 2. CPU Power Connector: The CPU power connector is a connector used to supply power to the processor, usually a 4-pin or 8-pin connector. The processor has a high demand for power, and the CPU Power Connector transmits power to the processor through a special connection interface to meet the processor's power requirements.3. PCI-E Power Connector: The PCI-E Power Connector is used to supply power to a PCI-E expansion card, such as a graphics card. This cable is usually a 6-pin, 8-pin, or 8+6-pin connector, which can provide additional power supply to expansion cards such as high-performance graphics cards to meet their power needs.4. SATA Power Cable (SATA Power Connector): The SATA power cable is used to connect to storage devices, such as hard disk drives, CD-ROM drives, etc. It is usually a 15-pin connector, which can provide additional power supply to expansion cards such as high-performance graphics cards to meet their power needs.5. It is usually a 15-pin connector that provides voltages such as +3.3V, +5V, and +12V to the storage device to ensure its proper functioning.5. MOLEX Power Connector: The MOLEX Power Connector is a general-purpose power connector that is commonly used to connect auxiliary devices such as fans, LED lights, etc. It is usually a 4-pin or 4+ power connector that can be used to connect to the storage device to meet its power needs. It is usually a 4-pin or 4+4-pin connector that provides voltages such as +5V and +12V to these devices. The function of these motherboard power cables is to provide a stable and reliable supply of power to the motherboard and other devices to ensure the proper functioning of the computer. They transfer the power from the power supply to the various components and devices through suitable connectors to meet their power consumption requirements. At the same time, these power cords should also have good electrical properties and safety features to ensure the quality and safety of power transmission. Choosing the right motherboard power cord requires consideration of the power needs of the motherboard and other devices, as well as the requirements for power transmission performance, reliability and safety. In addition, attention needs to be paid to the type and specifications of the power connector to ensure that it matches the connection interface of the motherboard and other devices.

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