Fractal Design Define One Light Solid Mid Tower Case

The Fractal Design Define One Light Solid is a mid tower PC case that combines minimalist Scandinavian styling with sound dampening construction and versatile hardware compatibility. Its light coloured exterior and solid side panels create a clean, understated appearance, while sound dampening materials help reduce system noise for quieter gaming and productivity setups. Supporting Mini-ITX, Micro-ATX, ATX and E-ATX motherboards, the Define One accommodates graphics cards up to 368mm long and CPU coolers up to 171mm tall. Three pre-installed 140mm Momentum fans provide airflow, while front and top radiator mounting options offer flexibility for compatible liquid cooling configurations. Thoughtful cable management features help keep the interior organised, and removable panels and mounting brackets simplify access during installation and maintenance. Front-panel connectivity includes a 20Gbps USB-C port, two 5Gbps USB-A ports and a combined headphone and microphone jack, providing convenient access for everyday peripherals. With its focus on understated design, reduced noise and practical component support, the Define One Light Solid case is a suitable foundation for a clean, quiet focused PC build.

Features

---

Cases - Define One

Define One combines refined Scandinavian design with versatile capability. With aluminium side intake vents, three pre-installed Momentum fans, and sound-dampening bitumen, it balances airflow and noise reduction for a harmonious experience.

Quiet Redefined

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 aluminium 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.