Macintosh SE - Physical Dimensions and Weight

Specifications Physical - 8
Physical
Dimensions Height: 13.6 in. (34.5 cm)
Width: 9.6 in. (24.4 cm)
Depth: 10.9 in. (27.6 cm)
Weight
17–21 lb. (7.7–9.5 kg)
Weight varies depending on whether hard drive or second floppy
drive is installed