Introduction: The MacBook Professional A2159 logic board supports i5 (one.four GHz) and i7 (one.7 GHz) CPUs, guaranteeing compatibility, tested dependability, and preservation of vital features like contact ID for https://moverapple.com/products/macbook-pro-retina-13-a2159-logic-board-i5-i7-replacement?VariantsId=10127