820-3437-A 661-7478 Logic Board for MacBook Air 13 1.7 4GB MD760LL A1466 NB-4915W
This is a replacement logic board for the Mid 2013 MacBook Air 13.3". It is clocked at 1.7GHz and has a Core i7 processor.
Apple part number: 661-7478, 820-3437-A
MacBook Air 13 1.7 4GB MD760LL A1466 820-3437-A
661-7478 Logic Board for MacBook Air 13 1.7 4GB MD760LL A1466 8203437A