The Cooler Master HAF XM conforms to the E-ATX form factor and so can accommodate motherboards with form factors ATX, E-ATX and Micro-ATX.
Its dimensions (LxWxH) are 579mm x 252mm x 530mm.
|Form Factor||E-ATX||Front Fans Size||200mm|
|Motherboard Form Factors||Top Fans||2|
|Material||Not sure||Top Fans Size||200mm|
|Color||Not sure||Side Fans||1|
|Expansion Slots||9||Side Fans Size||200mm|
|5.25″ Drive Bays||3||Rear Fans||1|
|3.5″ Drive Bays||8||Rear Fans Size||140mm|
|2.5" Drive Bays||9||HDD Fans||2|
|Tool-less Rails||no||HDD Fans Size||120mm|
|Length||579mm||IO Display Panel||yes|
|Width||252mm||Front USB 2.0 Slots||2|
|Height||530mm||Front USB 3.0 Slots||2|
|Maximum Graphics Card Length||354mm||eSATA||no|
|Maximum CPU Cooler Size||196mm||Audio IO||yes|
The Cooler Master HAF XM has a the E-ATX form factor. Extended ATX is a slightly deeper version of the ATX standard which is designed to provide all the advantages of ATX but with slightly more room. Using the E-ATX standard, the case can house motherboards and power supplies with form factors ATX, E-ATX and Micro-ATX. The dimensions of the case itself (LxWxH) are 579mm x 252mm x 530mm.
The Cooler Master HAF XM has nine 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 three 5.25" drive bays, which is enough to house an optical drive and a couple of hard drives, while still having space for plenty more HDDs with the eight 3.5" drive bays that are also available. You can even install an SSD or laptop-sized HDD using one of the nine 2.5" drive bays.