This is a replacement right I/O board for the Retina MacBook Pro released in late 2013.
Right I/O board is connected to the logic board via the I/O board data cable and the I/O board flex cable.
On the right side when facing the screen.
This board includes the right USB port, HDMI port, and SDXC card slot.
All parts tested and working just like they were when you bought your MacBook.
Part Numbers: 661-8312.
Printed Number: 820-3547-05.
<li class="maclist-li"><h4>Compatible with : </h4>
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Pro Retina 15 (A1398, Late 2013/ Mid 2014).