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Fractal Design Define S Black Case

Fractal Design Define S Black Case

Fractal Design FD-CA-DEF-S-BK 7350041083443 CAF-FDCADEFSBK £68.62(Exc VAT)£82.34(Inc VAT)
316 AvailableDespatches in around 3 to 5 days


The Fractal Design Define S lends the appearance, sound dampening technology, and support for a wide variety of components from the widely popular Define Series, while introducing a new, innovative internal layout. The Define S case is packed with intelligently designed enthusiast-oriented features delivering a silent case with powerful and expansive air and liquid cooling support, presented in a stunning Scandinavian inspired construction.

The modernized internal layout of the Define S omits the optical drive bays, instead focusing on a clear straight airflow path and uncompromising water cooling support.

The Define S case reaches the highest level of silent computing through strategically placed dense sound-absorbing material, multiple ModuVent™ fan vent covers and finely tuned Dynamic Series fans.

Features & Benefits

  • Optimally designed for silent computing, while not compromising on airflow and cooling capabilities.
  • Innovative internal layout, providing a perfectly straight airflow path to the CPU heatsink for air cooling set ups or extensive radiator mounting possibilities for water cooling set ups.
  • Extensive water cooling support for a case of this size; housing radiators up to 420mm in the top and 360mm in the front.
  • Including smart reservoir brackets; featuring drill-free reservoir mounting on the front of the motherboard tray and pre-drilled pump mounting holes on the bottom panel.
  • Equipped with ModuVent™ fan slot covers providing the option of additional cooling or maximum sound absorption.
  • Including two Fractal Design Dynamic GP14 140mm fans developed for superlative airflow while still maintaining low noise levels.
  • Maintaining a dust-free interior with dust filters that cover the front and bottom air intakes.
  • Introducing newly designed hard drive trays placed vertically behind the front partition of the motherboard tray; Three sturdy steel trays with vibration-dampening grommets allowing for installation of one 3.5" or 2.5" drive on each tray, without disrupting the airflow or interfering with the radiator mounting possibilities.
  • An additional 2 dedicated steel SSD trays cleanly placed behind the motherboard tray.
  • Long motherboard tray extending to the front panel contributing to an extremely clean build, hiding both hard drives and cables.
  • Define S model is also available with a large window on the side panel.


  • Item Code : CAF-FDCADEFSBK
  • Item : Fractal Design Define S Black Case
  • Brand/Model : Fractal Design FD-CA-DEF-S-BK
  • Colour : Black
  • External 3.5” Bays : Two
  • Rear Expansion Card Slots : Seven
  • Front or Top USB Ports : Two
  • Front or Top Audio Connector : Yes
  • Side Window : No
  • Fans Included : Two
  • Weight : 13.650 Kg

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