Please enter your email address and we’ll send you a link to reset your password right away.

Your VIP area awaits in the APP

Log in to the app to manage your account, orders, and exclusive benefits.

Order tracking

Order tracking

Personalized notifications

Personalized notifications

Exclusive offers

Exclusive offers

Staying signed in lets you shop faster, check your orders, and access your favorites without signing in again.

Stay signed in
Log out
top

Sold and shipped by

sales

Free shipping

Return of order

Homepage

Fractal Design Define One PC tower case

Price without code 174.99

RRP:

You save:

Price without subscription

VAT & duties included

No extra charges at delivery.

What is my size?

What is my size?

My virtual fitting room

My virtual fitting room

Single purchase

Add to my pack 

You save:

Buy now in 1 click
Back to PC configurator

Buy this product and earn

Color:

Free shipping

dto_trans discount on shipping

Free assembly

Free removal of old appliance (only with Ader)

Your interest-free financing from with Klarna Paypal

Pay in 3, 4, 6 or up to 12 installments

My virtual fitting room

Other colors available

left
right

Perfect pairings

left
right

Reportar error

Trusted by over 25 million satisfied customers worldwide

Official brand warranty

Quick & easy 30-day return

Features of Fractal design Define One

Product description of Fractal Design Define One PC tower case

Description summary

The Fractal Design Define One: a large ATX tower blending Scandinavian minimalism with whisper-quiet operation. Meticulously engineered with advanced acoustic treatments, it minimizes noise for focused work or immersive gaming. Its highly adaptable interior prioritizes storage or airflow, supporting E-ATX boards, extensive water-cooling up to 360mm radiators, and long GPUs. Enjoy superior thermal management and a clean, professional aesthetic for your most ambitious builds

Discover the Fractal Design Define One, a masterpiece of Scandinavian engineering that redefines the silent PC tower case. Designed for the discerning enthusiast who demands both whisper-quiet operation and uncompromising performance, the Define One stands as a paragon of minimalist aesthetics and functional design. This large ATX chassis provides a versatile and expansive foundation for your most ambitious builds, blending seamlessly into any professional or gaming environment.

Experience a new level of quiet computing. The Define One is meticulously engineered for near-silent operation, integrating advanced acoustic treatments throughout its structure. This focus on noise reduction ensures that your concentration remains unbroken, whether you are deep in a creative workflow, immersed in an atmospheric game, or simply enjoying a peaceful workspace. The solid construction and thoughtful internal layout work in harmony to dampen vibrations and absorb component noise, delivering a truly silent PC experience without sacrificing thermal headroom.

The interior of the Define One is a testament to modularity and flexibility. Its highly adaptable layout can be configured to prioritize either maximum storage capacity or an open-plan design for superior airflow and extensive water-cooling installations. This adaptability makes it the perfect canvas for a wide range of hardware configurations, from a high-capacity storage server to an elite-tier gaming rig. Build with confidence, knowing you have the space and flexibility to accommodate large components and intricate cooling loops.

Unleash extreme cooling potential with comprehensive support for both air and liquid cooling. The chassis is optimized for high-airflow, accommodating multiple 140 mm fans to move massive amounts of air quietly and efficiently. For those pushing the limits of performance, the Define One offers extensive liquid cooling support, with dedicated mounting locations for radiators up to 360 mm in the front or top. This robust thermal capability ensures your high-performance components remain cool and stable under the most demanding loads.

Technical Specifications:

* Motherboard Compatibility: E-ATX, ATX, mATX, ITX
* Power Supply Type: ATX
* Expansion Slots: 7 + 2 Vertical
* Front Interface: 1x USB 3.1 Gen 2 Type-C, 2x USB 3.0, 2x USB 2.0, Audio I/O
* Total Fan Mounts: 9x 120/140 mm
* Front Fan Support: 3x 120 mm or 2x 140 mm
* Top Fan Support: 3x 120 mm or 2x 140 mm
* Rear Fan Support: 1x 120/140 mm
* Bottom Fan Support: 2x 120/140 mm
* Front Radiator Support: Up to 360 mm / 280 mm
* Top Radiator Support: Up to 360 mm / 420 mm (with cooling bracket)
* Rear Radiator Support: 120 mm
* Max GPU Length: 440 mm (with front fan mounted)
* Max CPU Cooler Height: 185 mm
* Max PSU Length: 250 mm (with HDD cage installed)
* Case Dimensions (LxWxH): 547x240 x 475 mm
* Case Type: Large Tower

The Fractal Design Define One is more than just a PC case; it is a statement of sophisticated design, silent performance, and limitless potential for your next high-end build

Technical specifications of Fractal design Define One

Features of Fractal design Define One

Color White

Color

White

Form Factor ATX

Form Factor

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

Key differentiators

Technology in Fractal Design Define One PC tower case

Energy rating

Warnings

/ 5

1 Reviews

What our customers are saying about Fractal Design Define One PC tower case

Write a review about this product

Answer the question

Write your answer

The question has already been answered, thank you very much for trying to help another customer. We will count on you for future questions.

Include AI Generated questions and answers

Ask a technical question about this product

Frequently bought together
Best sellers

Use cases

Best for

Benefits

Ideal buyer profiles

Competitive features

Where it excels

Consider alternatives if...

Verdict

Specs comparison

Specs vs competitors

Do you want to configure your own computer?

We´ll set it up for free!

Do you want to configure your own computer?

Start

Similar alternatives to this product
Related products viewed by other shoppers
We think you might be interested in this

You might also be interested in

Tradeinn works with its own stock and with more than 2,000 suppliers connected daily. We update availability in real time to offer you the widest possible catalog, always at the best price. Some products may require additional delivery time depending on supplier availability.

Quick & easy 30-day return

Secure & safe shopping

100% Satisfaction Guaranteed

Always the best online price

Loading image