It is an Original Sony PS3 Power Supply
APS-231 for ALL the 20GB 40GB 60GB 80GB ( CECHA01, CECHB01, CECHG01, CECHE01) backwards compatible units.
APS-231 can replace the APS-227
Not brand new, taken from PS3 Console, tested in fully working condition.
The best way to check is that you open your PS3, make sure it's the same one.