Refurbished fully tested Genuine replacement Power Supply Unit (PSU) Board. Fully tested, refurbished original part clean pulled from A1225 2009 never repaired guaranteed with 3 months warranty. Apple Part No. 661-4422 / 614-0416 Model: ADP-250AF B PWR: 250W System Pulled Serial: W87330KVX8A (2009) SKU: AMR10118-661-4422 Compatible Part No. PA-3241-02A2 If unsure if this part is compatible with your system please check original serial number above to see if your system matches the system the card was pulled from if unsure please contact us directly. All parts are security etched DO NOT use our parts for testing purposes as refunds will not be given. We operate a fitting service at our Birmingham based repair centre and can arrange collection and return of your system anywhere in the UK.