Cheap And Discounts Original A1312 Power Supply PA-2311-02A 310W ADP-310AF For iMac 27" A1132 Power Board PSU Adapter 2009-2011 Year Wholesale. Buy Directly From Merchant Buyee Technology Development Limited Company. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.