Fractal Design Define One Dark TG Light Tint Midi Tower Case ATX EATX micro ATX Mini-ITX Tempered Glass Side Window Black
Original price was: £152.39.£144.25Current price is: £144.25.
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About This Item
- Supported motherboard form factors including ATX EATX micro ATX and Mini-ITX
- Midi Tower form factor with tempered glass side window and black steel construction
- Two internal 3.5 bays and four 2.5 bays with HDD/SSD combo cage
- Three pre-installed Momentum 14 fans and front radiator support up to 360 mm
- Maximum graphics card length of 36.8 cm and CPU cooler height of 17.1 cm
- Front I/O with one USB 3.2 Gen 2 Type-C port and two Type-A ports
- Tool-less access and bitumen-lined panels for sound dampening
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Fractal Design Define One – Quiet Midi Tower with Tinted Glass
We recommend this case for builders seeking silence and style. It is the Fractal Design Define One Dark TG Light Tint Midi Tower Case ATX EATX micro ATX Mini-ITX Tempered Glass Side Window Black. This chassis balances airflow with sound dampening bitumen. It suits quiet gaming rigs or workstations. You get a refined look without sacrificing cooling.
Fractal Design Define One Dark TG Light Tint Midi Tower Case ATX EATX micro ATX Mini-ITX Tempered Glass Side Window Black
| Metric | Spec. |
|---|---|
| Motherboard Support | ATX, EATX, micro ATX, Mini-ITX |
| Maximum GPU Length | 36.8 cm |
| Maximum CPU Cooler Height | 17.1 cm |
| Front Fans Included | 3x 120 mm |
| USB Type-C Port | 1x Front |
Silent operation by design
Bitumen lines the front and side panels. This reduces noise during heavy loads. You enjoy a harmonious gaming experience. The closed front aids airflow control.
Smooth assembly process
Tool-less access simplifies installation steps. Removable brackets help with fan placement. Cable straps keep the interior tidy. Reverse connector motherboards are supported too.
Flexible cooling options
Three pre-installed Momentum fans provide airflow. You can fit radiators up to 360 mm at the front. Top mounts accept up to 280 mm units. The rear fan expels hot air efficiently.
What you receive
Screws and mounting brackets are included. A radiator bracket comes in the package. The manual guides your setup process.
Worth checking first
- Confirm your GPU fits within 36.8 cm.
- Check your PSU length does not exceed 18 cm.
- Verify motherboard size matches supported formats.
Frequently Asked Questions
Q: Does it support EATX motherboards?
A: Yes, the case supports ATX, EATX, micro ATX and Mini-ITX.
Q: Are the front fans included?
A: Three pre-installed Momentum fans come with the chassis.
Q: What USB ports are on the front?
A: You get one USB Type-C and two USB Type-A ports.
Q: Can I install a 360 mm radiator?
A: Yes, the front supports radiators up to 360 mm.
Our verdict
This case suits builders prioritising silence and aesthetics. It offers versatile cooling and easy cable management. We find it ideal for high-end quiet PCs.
| Technical details | |
|---|---|
| Number of 3.5" bays | 2 |
| Number of 2.5" bays | 4 |
| Number of internal 3.5" bays | 2 |
| Supported motherboard form factors | ATX, EATX, micro ATX, Mini-ITX |
| Supported HDD sizes | 2.5,3.5" |
| Side window | Yes |
| Number of internal 5.25" bays | 1 |
| Number of HDDs supported | 2 |
| Product colour | Black |
| Number of expansion slots | 7 |
| Maximum CPU cooler height | 17.1 cm |
| Maximum graphics card length | 36.8 cm |
| Maximum PSU length | 18 cm |
| Type | PC |
| Form factor | Midi Tower |
| Material | |
| Material | Steel |
| Ergonomics | |
| Cable management | Yes |
| On/off button | Yes |
| Design | |
| Anti-dust filter | Yes |
| Material | Steel |
| Number of 3.5" bays | 2 |
| Number of 2.5" bays | 4 |
| Number of internal 3.5" bays | 2 |
| Supported motherboard form factors | ATX, EATX, micro ATX, Mini-ITX |
| Side window | Yes |
| Number of internal 5.25" bays | 1 |
| Cable management | Yes |
| Product colour | Black |
| Number of expansion slots | 7 |
| Maximum CPU cooler height | 17.1 cm |
| Maximum graphics card length | 36.8 cm |
| Maximum PSU length | 18 cm |
| Type | PC |
| Form factor | Midi Tower |
| On/off button | Yes |
| Tempered glass panel(s) | Yes |
| Number of storage drives supported | 4 |
| Full-Height riser expansion slots | 2 |
| Full-Height expansion slots | 7 |
| Power supply | |
| Supported power supply form factors | ATX |
| Power supply included | No |
| Ports & interfaces | |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| Combo headphone/mic port | Yes |
| USB Type-C ports quantity | 1 |
| Cooling | |
| Front radiator sizes supported | 120,240,280,360 mm |
| Rear radiator sizes supported | 120 mm |
| Top radiator sizes supported | 120,240,280 mm |
| 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 |
| Storage | |
| HDD/SSD combo cage | Yes |
| Supported HDD sizes | 2.5,3.5" |
| Number of HDDs supported | 2 |
| SSD form factor | 2.5" |
| Packaging content | |
| Manual | Yes |
| Screws included | Yes |
| Number of mounting brackets | 14 |
| Radiator bracket included | Yes |
| Weight & dimensions | |
| Width | 235 mm |
| Depth | 482 mm |
| Height | 500 mm |
| Weight | 11.1 kg |
| Packaging data | |
| Package width | 355 mm |
| Package height | 600 mm |
| Package depth | 600 mm |
| Package weight | 12.9 kg |
| Manual | Yes |
| Other features | |
| Manual | Yes |
| Screws included | Yes |
| Identifiers | |
| Additional EANs | 0843276113391 |
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