What is a desktop computer power harness? What are the specifications for a desktop computer power harness?

A desktop computer power harness is a set of cables and connectors used to connect a power supply unit (PSU) to various components inside the computer. It is primarily responsible for transmitting power and signals to distribute power from the PSU to the motherboard, hard disk drives, optical drives, fans, graphics cards, and other internal devices. Specifications may vary depending on the power supply and computer configuration, but typically contain the following major harnesses: 1. Main Power Harness: The Main Power Harness is one of the most important harnesses that connects the power supply to the motherboard. It usually contains a 20+4-pin main power connector (separable into 20-pin and 4-pin) that connects to the main power slot on the motherboard. This harness provides the main power needed by the computer.2. CPU Power Harness: The CPU power harness is responsible for powering the CPU. It usually contains a 4+4-pin CPU power connector that connects to the CPU power slot on the motherboard. Some high power CPUs may require an additional 8-pin or 12-pin CPU power connector. 3. PCI-E Power Harness: The PCI-E power harness is used to provide power to discrete graphics cards. It usually contains a 6-pin or 8-pin PCI-E power connector for connecting to the PCI-E power slot on a discrete graphics card.4. SATA Power Harness: The SATA power harness is used to connect hard disk drives, optical drives, and other SATA devices. It usually contains multiple SATA power connectors to supply the power needed by these devices.5. Molex Power Harness: The Molex power harness is used to connect fans, LED lights, air-cooled radiators and other Molex devices. It usually contains multiple Molex power connectors to supply the power needed by these devices. There are also a number of other types of harnesses, such as fan control harnesses, USB harnesses, audio harnesses, etc., which are usually associated with specific computer configurations and functional requirements. When choosing a desktop computer power supply harness, the correct specifications should be based on the computer configuration and needs. This includes the power of the power supply, the type of power slots on the motherboard, the power requirements of the graphics card, and the power requirements of other internal devices. Make sure that you choose a harness specification that is compatible with your computer to provide a stable and reliable power supply. Also, pay attention to the quality and insulation of the harness to ensure safe and reliable power transmission.

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