The Fractal Design Define R3 Black Pearl conforms to the ATX form factor and so can accommodate motherboards with form factors ATX, Micro-ATX and Mini-ITX.
Its dimensions (LxWxH) are 521mm x 207mm x 442mm.
|Form Factor||ATX||Front Fans||1|
|Motherboard Form Factors||Front Fans Size||120mm|
|Material||Not sure||Front Fans Speed||1350 RPM|
|5.25″ Drive Bays||2||Top Fans Size||140mm|
|3.5″ Drive Bays||8||Rear Fans||1|
|2.5" Drive Bays||0||Rear Fans Size||120mm|
|Tool-less Rails||no||Rear Fans Speed||1350 RPM|
|Length||521mm||IO Display Panel||no|
|Width||207mm||Front USB 2.0 Slots||0|
|Height||442mm||Front USB 3.0 Slots||0|
|Maximum Graphics Card Length||290mm||eSATA||no|
|Maximum CPU Cooler Size||165mm||Audio IO||no|
The Fractal Design Define R3 Black Pearl 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, Micro-ATX and Mini-ITX. The dimensions of the case itself (LxWxH) are 521mm x 207mm x 442mm.
The case has two 5.25" drive bays, which There are no 5.25" drive bays, but there are eight 3.5" drive bays, which is more than enough space as long as you do not intend on installing an optical drive.