The Asus TM-81 conforms to the Micro-ATX form factor and so can accommodate motherboards with form factors Array.
Its dimensions (LxWxH) are 397mm x 175mm x 359mm.
|Motherboard Form Factors||Height||359mm|
|Material||Not sure||Rear Fans||1|
|Color||Black||Rear Fans Size||90mm|
|Expansion Slots||4||IO Display Panel||yes|
|5.25″ Drive Bays||2||Front USB 2.0 Slots||2|
|3.5″ Drive Bays||3||Front USB 3.0 Slots||0|
|2.5" Drive Bays||0||eSATA||no|
|Tool-less Rails||no||Audio IO||yes|
The Asus TM-81 has a the Micro-ATX form factor. Micro-ATX is a smaller version of the ATX standard which is designed to make your case and the system therein lightweight and portable. Using the Micro-ATX standard, the case can house motherboards and power supplies with form factors Array. The dimensions of the case itself (LxWxH) are 397mm x 175mm x 359mm.
The Asus TM-81 has four expansion slots, so there is some room for extra components, which may be a deciding factor when planning on the longevity and build type of a PC system. The case has two 5.25" drive bays, which There are no 5.25" drive bays, but there are three 3.5" drive bays, which is quite a small amount of space, and there are no 2.5" drive bays to make up for it.