Fractal Design Define One Light Solid Midi Tower PC Case White ATX Support Tempered Glass Side Panel Pre-installed Fans

SKU: FD-C-DEFOA-04

Original price was: £152.39.Current price is: £144.50.

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About This Item

  • Midi Tower form factor with white steel construction and tempered glass side panel
  • Motherboard compatibility for ATX EATX micro ATX and Mini-ITX with seven full-height expansion slots
  • Internal space accommodating graphics cards up to 368 mm and CPU coolers up to 171 mm height
  • Three pre-installed 120 mm Momentum fans for powerful out-of-the-box airflow
  • Sound-dampening bitumen lining for quieter operation during gaming or work
  • Front I/O panel with 20 Gbps USB Type-C and two USB Type-A ports
  • Tool-less access and cable management straps for a clean build experience
Description

Fractal Design Define One – Balanced Silent Computing

We recommend the Fractal Design Define One Light Solid Midi Tower PC Case White ATX Support Tempered Glass Side Panel Pre-installed Fans for builders seeking quiet performance. This case balances airflow with sound dampening effectively. It suits home setups requiring style and function. You get a clean look with solid utility.

Fractal Design Define One Light Solid Midi Tower PC Case White ATX Support Tempered Glass Side Panel Pre-installed Fans Specifications

Metric Spec.
Max GPU Length 36.8 cm
Max CPU Cooler Height 17.1 cm
Front Fans 3x 120 mm
Side Panel Tempered Glass
Form Factor Midi Tower
Weight 11.3 kg

Silent operation design

Bitumen-lined panels reduce internal noise significantly. The closed-front design enhances this acoustic effect. Your system runs quietly during heavy tasks. This ensures a peaceful working environment.

Pre-installed cooling performance

Three Momentum fans arrive pre-installed for immediate use. They provide strong out-of-the-box airflow. This helps maintain stable component temperatures. Airflow remains consistent under load.

Intuitive building experience

Tool-less access simplifies component installation. Removable fan brackets allow easier routing. You save time during the assembly process. Cable management straps keep things tidy.

Modern connectivity options

The I/O panel includes a USB Type-C port. Two USB Type-A ports are also present. Connect devices without adapter headaches. Audio jacks support standard headsets.

What comes in the package

The package includes a manual and necessary screws. These items help secure your components properly. We ensure all essential tools are present.

Before you commit

  • Confirm your motherboard fits the ATX form factor.
  • Check your graphics card length against the 36.8 cm limit.
  • Ensure your power supply unit fits within 18 cm.

Frequently Asked Questions

Q: Is the side panel tempered glass?

A: Yes, the side panel is made of tempered glass.

Q: Can I add more fans to the front?

A: The front supports up to three 120 mm fans.

Q: Does this case support EATX motherboards?

A: Yes, it supports ATX, EATX, micro ATX, and Mini-ITX.

Q: Are the fans RGB lit?

A: These fans are standard Momentum fans without confirmed RGB features.

Q: What power supply form factor is supported?

A: It supports standard ATX power supply form factors.

Our final recommendation

This case suits builders prioritising silence and storage. We value its thoughtful cable management features. It delivers a refined aesthetic for home rigs.

Specifications
Technical details
Number of 3.5" bays2
Number of 2.5" bays4
Number of internal 3.5" bays2
Supported motherboard form factorsATX, EATX, micro ATX, Mini-ITX
Supported HDD sizes2.5,3.5"
Side windowYes
Number of internal 5.25" bays1
Number of HDDs supported2
Product colourWhite
Number of expansion slots7
Maximum CPU cooler height17.1 cm
Maximum graphics card length36.8 cm
Maximum PSU length18 cm
TypePC
Form factorMidi Tower
Material
MaterialSteel
Ergonomics
Cable managementYes
On/off buttonYes
Design
Anti-dust filterYes
MaterialSteel
Number of 3.5" bays2
Number of 2.5" bays4
Number of internal 3.5" bays2
Supported motherboard form factorsATX, EATX, micro ATX, Mini-ITX
Side windowYes
Number of internal 5.25" bays1
Cable managementYes
Product colourWhite
Number of expansion slots7
Maximum CPU cooler height17.1 cm
Maximum graphics card length36.8 cm
Maximum PSU length18 cm
TypePC
Form factorMidi Tower
On/off buttonYes
Tempered glass panel(s)Yes
Number of storage drives supported4
Full-Height riser expansion slots2
Full-Height expansion slots7
Power supply
Supported power supply form factorsATX
Power supply includedNo
Ports & interfaces
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity2
Combo headphone/mic portYes
USB Type-C ports quantity1
Cooling
Front radiator sizes supported120,240,280,360 mm
Rear radiator sizes supported120 mm
Top radiator sizes supported120,240,280 mm
Front fans installed3x 120 mm
Number of front fans supported (max)3
Front fans diameters supported120,140 mm
Rear fans installed1x 120 mm
Number of rear fans supported (max)1
Rear fans diameters supported120 mm
Number of top fans supported (max)2
Top fans diameters supported120,140 mm
Storage
HDD/SSD combo cageYes
Supported HDD sizes2.5,3.5"
Number of HDDs supported2
SSD form factor2.5"
Packaging content
ManualYes
Screws includedYes
Weight & dimensions
Width235 mm
Depth482 mm
Height500 mm
Weight11.3 kg
Packaging data
Package width355 mm
Package height600 mm
Package depth600 mm
Package weight13.1 kg
ManualYes
Other features
ManualYes
Screws includedYes
Identifiers
Additional EANs0843276114732

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