FAQ Define One

Define One Radiator support
Top: Support form factors 120/140/240/280 Restrictions: 280 radiator: Maximum length is 358 mm. Maximum width is 158 mm Maximum thickness ...
Wed, 2 Sep, 2026 at 2:44 PM
Define One GPU support
The maximum GPU length is 368 mm. The maximum GPU width, including cables, is 176 mm. Note that the maximum GPU length is reduced by any front radiato...
Wed, 2 Sep, 2026 at 2:44 PM
Define One HDD/SSD installation
The Define One has support for 6x 2.5" drives or 2x 3.5" drives and 2x 2.5" drives. The case has 2x 2.5"/3.5" mounts on the backsid...
Wed, 2 Sep, 2026 at 2:44 PM
Define One Front Fan Installation
The front fan bracket is installed with two screws in the top, and is removed by releasing these: If you want to install 120 mm fans instead of the...
Wed, 2 Sep, 2026 at 2:44 PM