I got my hands on some Pro Micro microcontrollers with Type-C USB port to see how big is the difference based on the the photos posted online. The comparison is between conventional one, Pro Micro with Type-C, and a clone with mid-mount USB Type C port.
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| Photo on top shows that the one with Type-C port is longer/extended from the top by at least 2mm. |
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| From this view, Type-C is thicker by at least a mm. |
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| Mid-mount USB port should have made this controller thinner. |
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| Type-C on a P20 PCB |
The thick USB port and the extension makes this version not suitable for PCB designed for conventional Pro Micro facing back of PCB.
Bonus photos
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| Type-C on top. Micro at the bottom. |
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