Fractal Design
Define One
The Fractal Design Define One is a computer case designed to support Mini ITX, Micro ATX, ATX, and E-ATX motherboards.
The Fractal Design Define One is a white PC case featuring industrial sound-damped steel side panels. It measures 500 x 235 x 482 mm, weighs 11.3 kg, and provides seven expansion slots. The chassis accommodates motherboards in Mini ITX, Micro ATX, ATX, and E-ATX form factors. For component clearance, the case supports CPU coolers up to 171 mm in height and graphics cards up to 368 mm in length. Factory-installed cooling includes three Momentum 14 fans situated at the front. The front I/O panel is equipped with one USB Type-C 20Gbps port, two USB Type-A 5Gbps ports, an audio/microphone combo jack, and a power button.
Specifications
| Supported motherboard form factors | Mini ITX, Micro ATX, ATX, E-ATX |
|---|---|
| Dimensions (HxWxD) | 500 x 235 x 482 mm |
| Weight | 11.3 kg |
| Expansion slots | 7 |
| Max GPU length | 368 mm |
| Max CPU cooler height | 171 mm |
| Front I/O | 2x USB Type-A 5Gbps, 1x USB Type-C 20Gbps, 1x Audio/Microphone Combo Jack, 1x Power Button |
| Pre-installed fans | 3x Momentum 14 (front) |
| Side panel material | Industrial sound-damped steel |
| Colors available | White |
| GTIN / EAN | 7340172714736 |
| Manufacturer part number | FD-C-DEFOA-04 |