Fractal Design Define One Light Solid White Mid-Tower PC Case

Home office workers, media server builders, and first-time gaming rig assemblers will appreciate the Define One Light Solid White. It delivers a quiet, minimalist chassis that keeps component noise contained while offering straightforward assembly and modern connectivity.

Key specifications

• Mid-tower form factor supporting ATX, Micro ATX, and Mini ITX motherboards
• Solid steel side panel with sound-dampened front and top panels
• Two convertible 3.5"/2.5" drive bays plus two dedicated 2.5" bays
• Seven expansion slots for graphics cards and other add-in cards
• Front I/O: 1x USB 3.1 Gen 2 Type-C, 2x USB 3.0, 2x USB 2.0, and audio jacks
• Included cooling: one Dynamic X2 GP-12 120mm fan and one Dynamic X2 GP-14 140mm fan
• Clearance: up to 360mm graphics card length, 169mm CPU cooler height, 200mm PSU length
• Radiator support: up to 240mm or 280mm in the front
• Dust filters on front, top, and bottom
• White finish with steel and plastic construction

Why choose it

The Define One Light Solid prioritises acoustic comfort without sacrificing modern connectivity. The inclusion of a USB Type-C front port keeps it future-ready, while the pre-installed fans provide a balanced airflow baseline. Its solid panels and dampening materials reduce high-frequency noise, so you can work or game without constant fan whine.

Ideal use cases

• Building a silent home office PC for productivity and video calls
• Creating a family media server that runs quietly in the living room
• Assembling a first gaming rig where noise reduction matters

Good to know

The case includes two pre-installed Dynamic X2 fans, one 120mm and one 140mm, ensuring adequate airflow out of the box. The front panel features a USB 3.1 Gen 2 Type-C port for fast data transfer and modern device compatibility. All intake areas are protected by removable dust filters, making maintenance simple and keeping internal components clean.