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Fractal Design Define One PC tower case

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Features of Fractal design Define One

Product description of Fractal Design Define One PC tower case

Description summary

Experience the ultimate in silent, modular PC building with the Fractal Design Define One. This large tower case blends Scandinavian minimalism with unmatched versatility, featuring a revolutionary dual-layout interior that transforms from maximum airflow for custom loops to immense storage for servers. Sound-dampened panels ensure whisper-quiet operation, while interchangeable top panels allow you to balance silence and cooling. Optimized for extensive air and liquid cooling, it supports large components and E-ATX motherboards. Enjoy effortless building with tool-less access, superb cable management, and a highly configurable storage system

Fractal Design Define One: The Pinnacle of Silent Performance and Modularity

Discover the evolution of silent computing with the Fractal Design Define One, a large PC tower case engineered for the discerning enthusiast. This chassis represents a masterpiece of Scandinavian design, blending a sophisticated, minimalist aesthetic with unparalleled functional versatility. Built for those who demand whisper-quiet operation without compromising on thermal performance or expandability, the Define One is the ultimate foundation for your high-end build.

Experience true adaptability with a revolutionary dual-layout interior. Seamlessly transform the case from the default Open Layout, designed for maximum airflow and unobstructed water-cooling loops, to a Storage Layout that provides immense capacity for drives, perfect for a home server or content creation powerhouse. The interior is exceptionally spacious, offering a clean and effortless building experience with extensive support for large components and intricate custom setups.

At the heart of the Define One´s design is its commitment to silence. High-density, industrial-grade sound-dampened panels on the front, top, and sides effectively absorb noise from internal components, ensuring your focus remains undisturbed. For moments when maximum cooling is paramount, the solid top panel can be interchanged with a filtered ventilated panel, offering an instant boost in thermal performance. This flexibility allows you to perfectly balance silence and airflow to meet the demands of any task, from intensive gaming to quiet productivity.

Cooling potential is extraordinary. The chassis is optimized for both air and liquid cooling, featuring extensive support for radiators up to 360 mm in the front and top positions. With numerous fan mounting points throughout the frame, you can install a formidable array of 140 mm fans to create a high-volume, low-noise airflow path that keeps even the most demanding hardware cool under pressure. Easy-to-clean, high-airflow nylon filters on the front, top, and base provide complete dust protection for a pristine interior.

The Define One offers uncompromising compatibility. Its substantial frame comfortably houses a wide range of motherboards, from standard ATX all the way up to Extended ATX (E-ATX) form factors. The thoughtful design includes numerous quality-of-life features such as tool-less, push-to-lock side panels for easy access, extensive cable routing options with integrated straps for immaculate cable management, and a highly versatile and modular storage system.

Technical Specifications:

* Motherboard Compatibility: Extended ATX (E-ATX), ATX, Micro ATX, Mini ITX
* Front Radiator Support: Up to 360/280 mm
* Top Radiator Support: Up to 360/420 mm
* Bottom Radiator Support: Up to 280/240 mm
* Rear Radiator Support: 120 mm
* Total Fan Mounts: 9x 140 mm or 11x 120 mm
* Max GPU Length: Up to 491 mm (Open Layout)
* Max CPU Cooler Height: 185 mm
* Max PSU Length: 250 mm (with HDD cage installed)
* Front I/O: USB 3.1 Gen 2 Type-C, 2x USB 3.0, 2x USB 2.0, Audio I/O
* Drive Bays: Highly configurable with multiple universal drive brackets for 3.5" and 2.5" drives

Technical specifications of Fractal design Define One

Features of Fractal design Define One

Color White

Color

White

Form Factor Extended ATX

Form Factor

Extended ATX

Form Factor PSU ATX

Form Factor PSU

ATX

GPU Length Large

GPU Length

Large

Fan Size 140 mm

Fan Size

140 mm

Radiator Size 360 mm

Radiator Size

360 mm

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