This is a replacement I/O board flex cable for the 13" Retina MacBook Pro.
This connects the I/O board to the logic board and also includes a spill sensor..
Part Numbers: 923-0223.
Printed Number: 821-1587-A.
<li class="maclist-li"><h4>Compatible with : </h4>
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Pro Retina 13 (A1425, Late 2012/ Early 2013).