There isn't much to be gained from the front of the packing for the G850-MAS aside from wattage and that it is 80 PLUS Gold certified.
When we turn things around, we find a list of features in the top left corner. The big things to note here are the inclusion of all Japanese made caps, hybrid modular cabling and a list of protections offered.
Shifting to the right a little, we find a chart relating to unit load and fan speed. Below this are a few pictures from inside the unit showing solid state and Japanese made capacitors inside the unit.
Rounding out the information on the back is a list of connectors offered by the power supplies in the series.
This side of the box gives us the I/O specifications for the G850-MAS power supply.
The other side gives us a teasing glimpse of the unit and the flat modular cables utilized with the G850-MAS.