The Voodoo Lab Pedal Power 3 Plus has 4 more 500ma outputs than the standard Pedal Power 3 for more pedal options. It also has X-Link which gives you the option to expand the power supply with their X4 or X8 units. The Pedal Power 3 Plus has outputs for 

10 x 9V DC 500mA outputs

1 x 9V/12V DC 500mA output

1 x 9V/12V DC 200mA output

2 x 12V DC 1A outputs (shared)

Universal 100V–240V switching.

This specific power supply is in good condition with some wear marks on the bottom and no velcro.