Rest assured this will fit your Macbook Pro. Pay particular attention to the position of the power supply connector on the left side of the device. Although this product states that it works with all 2012-2015 MBPs, it may not work with some models that have a "big magnet". Connector". And here's why. When you plug your MBP into this device, there's a lever that inserts the connector plugs for HDMI, USB, and USB-C on either side. There's a small groove on the left side for the power connector, but if you have a "thick magnetic connector", the device won't close over it and it won't work. It looks like the 2012 "side" Magsafe connector will work here. I've noticed that the 2014 MBP doesn't recognize USB and USB-C ports, only HDMI.
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