The Asus TT-87 conforms to the ATX form factor.
Its dimensions (LxWxH) are 436mm x 180mm x 413mm.
|Motherboard Form Factors||-||Height||413mm|
|Material||Not sure||Front Fans||1|
|Color||Black||Front Fans Size||120mm|
|Expansion Slots||7||IO Display Panel||yes|
|5.25″ Drive Bays||0||Front USB 2.0 Slots||0|
|3.5″ Drive Bays||2||Front USB 3.0 Slots||0|
|2.5" Drive Bays||0||eSATA||no|
|Tool-less Rails||no||Audio IO||yes|
The Asus TT-87 has a the ATX form factor. ATX is the most ubiquitous of case standards, providing the largest array of compatible hardware on the market. The dimensions of the case itself (LxWxH) are 436mm x 180mm x 413mm.
The Asus TT-87 has seven expansion slots, so there is plenty of room for extra components, which may be a deciding factor when planning on the longevity and build type of a PC system.