iMac 21.5″ A1311 Power Supply Board $25.00 A1311 – Late 2009 – Mid 2010 – Mid 2011 iMac 21.5″ A1311 Power Supply Board quantity Add to cart Add to Quote Continue Shopping Category: A1311 (21.5" iMac) Late 2009-Late 2011 Description Power Supply Board for 21.5″ iMac Late 2009 – Mid 2010 – Mid 2011 – Delta 205W 100-240VAC 4.0A 50/60 Hz – 661-5299, 614-0445, ADP-200DFB