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Hi Guys Can I replace the 1.3Ghz logic board with the 1.7Ghz logic board? Apart from the installation is there anything else I need to consider? MacBook Air 13” Mid 2013 Thanks for your help

Sure! Its possible, but given the fact Apple might be rolling out a newer version at the end of the month you might want to wait until you see what Apple brings out. Here’s the part: MacBook Air 13" (Mid 2013-Early 2014) 1.7 GHz Logic Board (Apple P/N 661-7479) you really want the 8 GB board which is $460 and here’s the guide MacBook Air 13" Mid 2013 Logic Board Replacement

make sure your external hardware like display screen, battery compatible with 1.7 ghz logic board.