HP Model 712/100 - Workstation Technical Reference Manual page 72

Height
Width
Depth
Weight
External Power Module
35.6 cm, 27.4 cm w/o stand (14.8 in)
33 cm (13 in)
15.2 cm, 7.6 cm w/o stand (6 in, 3 in)
5.5 Kg (12 lb)
383.5 gr. (13.5 oz.)