What is the maximum sneak damage per hit?

I was wondering what the highest sneak damage you could get out of the game is, because I found some Dark Brotherhood armor, and it has a good bit of sneak damage.

The highest possible (passive) sneak damage multiplier you can get, is 60:

• Sneak attacks max out at 15x damage, once the 'Assassin's Blade' perk from the Sneak Perk Tree has been attained.

• Dual wielding daggers will allow your character to do a double sneak attack.

• Wearing the Shrouded Gloves, sneak attack damage is doubled once more.

This results in (2 x 2 x 15x =) 60x damage.

This can be increased using active powers:

• As an Orc, you have the racial ability Berserker Rage, which doubles your damage as well (for 60 seconds. Combined with the other factors, this results in a multiplier of 120).

• The Marked for Death shout damages armor ratings up to 75 points per second: it effectively adds damage multipliers if the enemy's armor rating drops below 0 and into negative numbers.