820-3208-A 661-6625 4 GB 1.7 Logic Board for MacBook Air 11 Mid 2012 MD223LL A1465 NB-4892W
This is the 1.7Ghz Logic Board for the MacBook Air.
Apple part number: 661-6625, 820-3208-A
MacBook Air 11 Mid 2012 MD223LL A1465 820-3208-A
661-6625 4 GB 1.7 Logic Board for MacBook Air 11 Mid 2012 MD223LL A1465 8203208A