Dell Inspiron 27 7720 All-in-One Owner's Manual page 24

Y stand
The following table provides the dimensions of Y stand dimensions along with the computer.
Table 4. Y stand
Description
Isosceles stand
The following table provides the dimensions of Isosceles stand dimensions along with the computer.
24 Specifications of Inspiron 27 7720 All-in-One
Dimensions
455.50 mm (17.93 in.)
199.55 mm (7.85 in.)
427.50 mm (16.83 in.)
244.84 mm (9.63 in.)
480.40 mm (18.91 in.)
611.11 mm (24.05 in.)