Power supply unit

2. Power supply unit

2 . 1 is a front view of a power supply unit;

2 . 2 is a rear view thereof;

2 . 3 is a left-side view thereof;

2 . 4 is a right-side view thereof;

2 . 5 is a top plan view thereof;

2 . 6 is a bottom plan view thereof;

2 . 7 is a perspective view thereof;

2 . 8 is another perspective view thereof;

The broken lines in the drawings illustrate portions of the power supply unit that form no part of the claimed designs.