Lenovo Yangtian S510 S710 S560 S590 S720 S770All-in-one power supply HKF1502-3B(The S710 power supply has two powers of 150W and 180W. 150W is used on a 180W machine. The aging will be faster and the service life will be shortened. Please be sure to see the power of the original machine.)
Another 180W model: HKF1802-3A price 108