Chosen Solution

Hy! I have an early 2015 Macbook Pro 13” with 2.7GHz logic board with 8GB of RAM. The question is can I replace the logic board with a 2.9GHz 16GB RAM one, which I buy on Ebay? Please Help!

Yes! As long as its for your given model! Here’s the info for both the i5 & i7 boards: Early 2015 13” MacBook Pro Retina 2.9 GHz i5 16GB: Apple P/N 661-02357Early 2015 13” MacBook Pro Retina 3.1 GHz i7 16GB:  Apple P/N 661-02359