If your for PS3 Slim will not turn on at all and you don't even see the red light on the front of the system, this part may be all you need. Also if you own an old model like the 250gb and it gets really hot, you can change it with this newer power supply model which does not got hot.
Model NO: APS-306
Weight: 450g
AC INPUT 100-240V 2.0A-0.9A 50/60Hz
DC OUTPUT +12V 13A +5.5V -- 0.9A