A Compact, Silent, and Versatile ATX Case Built for Clean Performance
The Fractal Design Define C offers a perfectly balanced ATX platform optimized for airflow, silence, and space efficiency. With an open interior layout and advanced sound-dampening features, it’s an ideal choice for high-performance builds that value both aesthetics and acoustics.
- ModuVent™ technology and industrial-grade sound dampening for whisper-quiet operation
- Optimized airflow path with open interior and front-to-rear cooling layout
- Flexible storage support with space for up to five drives
- Two preinstalled Dynamic X2 GP-12 120mm fans for high airflow and low noise
- Front and bottom high-airflow nylon filters with full PSU coverage and easy front access
- Optional top filter included when ModuVent panel is removed
- Integrated PSU shroud hides drive cages and cables for a clean look and better airflow
- Ideal for powerful yet compact full ATX systems
Specifications
| Form Factor | ATX |
| Power Supply | No PSU included |
| Motherboard Support | ATX, Micro ATX, Mini ITX |
| Windowed Panel | No |
| Front I/O Ports | 2 x USB 3.0, Audio in/out, Power button with LED, Reset button, HDD activity LED |
| Drive Bays | 2 x 3.5″/2.5″, 3 x Dedicated 2.5″ (max thickness 10 mm) |
| Expansion Slots | 7 |
| Included Cooling | Front: 1 x 120 mm Dynamic X2 GP-12 fan Rear: 1 x 120 mm Dynamic X2 GP-12 fan |
| Fan Mounts | Front: 3 x 120 mm / 2 x 140 mm Top: 2 x 120 mm / 2 x 140 mm Rear: 1 x 120 mm Bottom: 1 x 120 mm |
| Water Cooling Support | Front: 120/240/360 mm or 140/280 mm (max 144 mm width) Top: 120/240 mm (max 40 mm motherboard component height) Rear: 120 mm (max 125 mm width) |
| Color | Black |
| Materials | Steel side panels with industrial-grade sound dampening |
| Clearance | GPU: Up to 315 mm (with front fan) CPU Cooler: Up to 172 mm PSU: Up to 175 mm |
| Dimensions (LxWxH) | 399 x 210 x 440 mm With feet/protrusions/screws: 413 x 210 x 453 mm |
| Weight | 7.4 kg (Package Weight: 7.35 kg) |
| Accessories | User manual, Accessory box, Optional top filter |
| Warranty | 2 Years |
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