Specifications RMOC Q(P/N 9591-Q). 
Dimensions: 10.5" high by 19" wide by 20" deep (267 x 483 x 508)
Power: A 100-120/200-240 VAC, 47-63Hz system power supply delivers +5@45, +12@13, +15@5, -5@0.5 , -12@1 ,
and -15 VDC@Amps.
Capacity:  Q-Bus - 4 Quad, 8 Dual height boards or a   combination of quad and duel boards.
PC - AT style Motherboard, 3, 5-1/4" Bays, 2, 3-1/2"   bays, 1 hidden, 1 exposed.
Weight: 55 pounds configured w/o  Q-bus boards.
Material: .100 thick aluminum.
Notes:  this chassis is FCC/CE certifiable^**. A quad-height Qbus backplane, cooling fans, and slides are provided plus space for a standard PC motherboard, diskette and hard drives (three visible and one hidden half-height bays), and up to four quad-height Qbus compatible cards.