320w single output switching power supply„ 1.Universal ac input/ full range 2.Built-in active pfc function, pf>0.95 3.High efficiency, and high reliability 4.Output protections: olp/otp/ovp/scp 5.Wide operating ambient temperature (-20~65j) 6.All using 105j long life electrolytic capacitors. 7.100% full load burn-in test 8.3 years warranty 10pcs/ctn, g.W/12kgs