Are you talking the rectangular black things, appears to be 4, attached to the backside? I'd have to pop the case and look, appears by the picture there is a name on them, don't recall..

M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85