Moving along to a box within the box, we lift the power supply away from the main assembly.

This PSU's primary rail outputs up to 21.25 amps at 12 volts, which equates to 255 juicy watts.

How well does this power brick stack with its contemporaries? We asked power adapter expert Ken Shiriff of Righto.com:

Overall, it looks like a compact, high-quality power supply. They're not cutting corners to save costs. That said, the power supply doesn't reach Apple's level of density and complexity.

The power supply uses pricier but longer-lasting polymer capacitors instead of electrolytic ones to filter the 12V output.