Fractal Design Define One Dark TG Light Tint Midi Tower Black
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- Quiet redefined
- Quieter by design
- Refined expression
- Smooth building
Define One combines refined Scandinavian design with versatile capability. With aluminum side intake vents, three pre-installed Momentum fans, and sound-dampening bitumen, it balances airflow and noise reduction for a harmonious experience.
Quieter by design
Enjoy a more harmonious gaming experience with a closed-front design and bitumen-lined front and side panels for sound dampening.
Refined expression
Integrate your setup naturally into your home with subtle architectural curvature and fine-patterned aluminum side intake vents.
Smooth building
Enjoy a smooth and intuitive build experience with tool-less access and removable top and front fan brackets for easier installation.
Powerful fans included
Keep your system running smoothly with three pre-installed LCP-blade Momentum 14 fans offering powerful out-of-the-box airflow.
Designed for versatility
Crafted for work and play with space for graphics cards up to 368 mm in length with an integrated GPU air guide and support bracket.
Accessible I/O
Connect your devices effortlessly with an I/O featuring a 20 Gbps USB Type-C port, two USB Type-A ports, and a combined audio jack.
Clean finish
Achieve a neat and tidy interior with cable straps, aligners, a routing grommet, and support for reverse connector motherboards.
| Design | |
|---|---|
| Form factor | Midi Tower |
| Type | PC |
| Material | Steel |
| Product colour | Black |
| Supported motherboard form factors | ATX, EATX, micro ATX, Mini-ITX |
| Number of 3.5" bays | 2 |
| Number of 2.5" bays | 4 |
| Number of internal 3.5" bays | 2 |
| Number of internal 5.25" bays | 1 |
| Number of storage drives supported | 4 |
| Full-Height riser expansion slots | 2 |
| Full-Height expansion slots | 7 |
| Number of expansion slots | 7 |
| Side window | Yes |
| Tempered glass panel(s) | Yes |
| Anti-dust filter | Yes |
| Cable management | Yes |
| On/off button | Yes |
| Maximum CPU cooler height | 17.1 cm |
| Maximum graphics card length | 36.8 cm |
| Maximum PSU length | 18 cm |
| Power supply | |
|---|---|
| Power supply included | No |
| Supported power supply form factors | ATX |
| Ports & interfaces | |
|---|---|
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 1 |
| USB Type-C ports quantity | 1 |
| Combo headphone/mic port | Yes |
| Cooling | |
|---|---|
| Front fans installed | 3x 120 mm |
| Number of front fans supported (max) | 3 |
| Front fans diameters supported | 120,140 mm |
| Rear fans installed | 1x 120 mm |
| Number of rear fans supported (max) | 1 |
| Rear fans diameters supported | 120 mm |
| Number of top fans supported (max) | 2 |
| Top fans diameters supported | 120,140 mm |
| Front radiator sizes supported | 120,240,280,360 mm |
| Rear radiator sizes supported | 120 mm |
| Top radiator sizes supported | 120,240,280 mm |
| General | |
|---|---|
| Product family | Define |
| Storage | |
|---|---|
| Supported HDD sizes | 2.5,3.5" |
| HDD/SSD combo cage | Yes |
| SSD form factor | 2.5" |
| Number of HDDs supported | 2 |
| Packaging content | |
|---|---|
| Number of mounting brackets | 14 |
| Radiator bracket included | Yes |
| Manual | Yes |
| Weight & dimensions | |
|---|---|
| Width | 235 mm |
| Depth | 482 mm |
| Height | 500 mm |
| Weight | 11.1 kg |
| Packaging data | |
|---|---|
| Package width | 355 mm |
| Package depth | 600 mm |
| Package height | 600 mm |
| Package weight | 12.9 kg |
| Other features | |
|---|---|
| Screws included | Yes |
