Fractal Design Define One Light Solid
Tower | extended ATX | no power supply (ATX) | white | USB/Audio
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Main Specification
| Product Description | Fractal Design Define One Light Solid - tower - extended ATX |
|---|---|
| Product Type | System cabinet |
| Form Factor | Tower |
| Colour | White |
| I/O Connectors | 2 x USB 3.1 Gen 1 1 x headphone/microphone 1 x USB-C 3.2 Gen 2x2 |
| Supported Motherboards | ATX, microATX, Mini-ITX, Extended ATX |
| System Cabinet Features | Affixed thumbscrews, front dust filter, PSU dust filter, cable guides with cable straps, tool-less top cover, tool-less front cover, tool-less PSU holder, tool-less side panels, 37 mm cable routing space, reverse connector motherboards supported |
| Power Device | No power supply (ATX) |
| Dimensions (WxDxH) | 23.5 cm x 48.2 cm x 50 cm |
| Weight | 11.2 kg |
| Manufacturer Warranty | 2-year warranty |
General
| Form Factor | Tower |
|---|---|
| Max Mainboard Size | Extended ATX |
| Supported Motherboards | ATX, microATX, Mini-ITX, Extended ATX |
| Internal Bays Qty | 6 |
| Product Material | Steel, sound-dampened steel |
| Colour | White |
| Cooling System | Front: 140 mm fan mount x 3 / 3 x 120/140 mm fan or 120/240/360 mm radiator supported Rear: 120 mm fan mount x 1 / 120 mm radiator supported Top: 120/140 mm fan mount x 2 / 120/240/280 mm radiator supported |
| CPU Cooler Max Height | 170 mm |
| Video Card Max Length | 368 mm |
| Power Supply Max Length | 180 mm |
| System Cabinet Features | Affixed thumbscrews, front dust filter, PSU dust filter, cable guides with cable straps, tool-less top cover, tool-less front cover, tool-less PSU holder, tool-less side panels, 37 mm cable routing space, reverse connector motherboards supported |
Expansion / Connectivity
| Expansion Bays | 2 (total) / 2 (free) x internal - 2x2.5" / 1x3.5" shared 2 (total) / 2 (free) x internal - 2.5" |
|---|---|
| Expansion Slots | 7 |
| Interfaces | 2 x USB 3.1 Gen 1 1 x headphone/microphone - mini-jack 1 x USB-C 3.2 Gen 2x2 |
Miscellaneous
| Included Accessories | Accessory box, ball catcher, 4 zip ties, 8 HDD rubbers, 8 HDD screws, 9 motherboard screws, screws |
|---|
Power
| Power Device | No power supply |
|---|---|
| Specification Compliance | ATX |
Dimensions & Weight
| Width | 23.5 cm |
|---|---|
| Depth | 48.2 cm |
| Height | 50 cm |
| Weight | 11.2 kg |
Dimensions & Weight (Shipping)
| Shipping Width | 35.5 cm |
|---|---|
| Shipping Depth | 60 cm |
| Shipping Height | 60 cm |
| Shipping Weight | 13.1 kg |
Manufacturer Warranty
| Service & Support | Limited warranty - 2 years |
|---|
Product features
Quiet construction
Sound-dampened steel panels and a compact tower design help minimize system noise, providing a quieter workspace without compromising component compatibility.Flexible cooling support
Supports multiple fan and radiator configurations including up to three front 140 mm fans, top dual fans, and a rear 120 mm fan so cooling can be tailored to performance needs.Easy cable management
Cable guides with cable straps and 37 mm of routing space make it simple to organize cables for improved airflow and a cleaner interior appearance.Convenient tool-less access
Tool-less top, front, PSU holder, and side panels plus affixed thumbscrews speed up installation and maintenance tasks for a smoother building experience.Storage and expansion versatility
A shared 2x2.5"/1x3.5" internal bay layout and seven expansion slots accommodate a range of drives and full-length graphics cards up to 368 mm for flexible system configurations.Key selling points
- Quiet sound-dampened steel construction for reduced noise
- Extensive cooling support for multiple fans and radiators
- Tool-less panels and covers for fast, convenient access
- Integrated cable guides and 37 mm routing space for clean builds
References
MPN: FD-C-DEFOA-04
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13/10/2026 19:11:33