The Frontier Apollo conforms to the ATX form factor and so can accommodate motherboards with form factors Array.
Its dimensions (LxWxH) are 440mm x 185mm x 413mm.
|Motherboard Form Factors||Width||185mm|
|Color||Black||IO Display Panel||yes|
|Expansion Slots||7||Front USB 2.0 Slots||2|
|5.25″ Drive Bays||9||Front USB 3.0 Slots||0|
|3.5″ Drive Bays||2||eSATA||yes|
|2.5" Drive Bays||0||Audio IO||yes|
The Frontier Apollo has a the ATX form factor. ATX is the most ubiquitous of case standards, providing the largest array of compatible hardware on the market. Using the ATX standard, the case can house motherboards and power supplies with form factors Array. The dimensions of the case itself (LxWxH) are 440mm x 185mm x 413mm.
The Frontier Apollo 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. The case has nine 5.25" drive bays, which is more than enough to house various drives, particularly optical drives. With two 3.5" drive bays there is also plenty of extra HDD space as well. Installing a solid-state drive on this case would require a 3.5" adapter.