I have a number of Pixhawk Cubes in use on my drones, collected over time. Most of my Cubes look the same. However a few look a bit different, and seem to be metallic - particularly the ones that I’ve had for awhile, and once in awhile I get one of these from an Amazon seller. I’m wondering - is there any difference? They seem to operate the same way to me.
Most of my cubes:
The outlier cubes: