Rack Mount Osprey Chassis 18-Slot Unibus
9987U - Strobe Data Inc. (Strobe Data Inc.)
AT style motherboard, 3 x 5-1/4" bays, 2 x 3-1/2" bays, 1 hidden, 1 exposed. Cooling fans and space are included for user's hex-height, 4-slot DD-11 Unibus backplane, PC motherboard, diskette and hard drives (one hidden and four visible half-height bays).