24 Pin to 10 Pin ATX Power Cable is used to convert a standard 24-pin ATX power supply to a 10-pin power supply. It offers a cost-effective solution to replace factory power supplies on Lenovo PCs and servers. Specification: Cable length: 12 inches (30 cm) Connectors: 1 port 24 pin, 1 port 10 pin Includes: ATX Power Cable 24 pin to 10 pin * 1pcs; Warranty 1 year; Note: Due to the special design of Lenovo computer, when turn on the power supply with the connected 24-pin 10-pin adapter, the main power will automatically start working and the fan starts to rotate. The fan will continue to rotate even if you turn off the computer.Only if you disconnect the power cable or turn off the power socket, the fan will stop rotating. If you use the original Lenovo power supply, the main power will also automatically start working at the time of power on. The only difference is that the fan does not start automatically.