The 3R System R-2 conforms to the ATX form factor and so can accommodate motherboards with form factors ATX and Micro-ATX.
Its dimensions (LxWxH) are 407mm x 178mm x 420mm.
|Motherboard Form Factors||Height||420mm|
|Material||Not sure||Maximum Graphics Card Length||275mm|
|Expansion Slots||7||Rear Fans Size||80mm|
|5.25″ Drive Bays||2||IO Display Panel||yes|
|3.5″ Drive Bays||7||Front USB 2.0 Slots||2|
|2.5" Drive Bays||0||Front USB 3.0 Slots||0|
The 3R System R-2 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 ATX and Micro-ATX. The dimensions of the case itself (LxWxH) are 407mm x 178mm x 420mm.
The 3R System R-2 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 two 5.25" drive bays, which There are no 5.25" drive bays, but there are seven 3.5" drive bays, which is more than enough space as long as you do not intend on installing an optical drive.