Fractal Design Define R6 Gunmetal - FD-CA-DEF-R6-GY

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Designed from the ground up; the Define R6 goes beyond iteration with a profound stride of innovation - the latest and largest step in the legacy of the world-renowned Define Series.  

Seamless tempered glass and sound dampened steel panels with an elegant push-to-lock latching mechanism encase an entirely redesigned interior with unprecedented component support and storage flexibility. Six 3.5"/2.5" drives and two 2.5" drives can be installed with precision placement in countless configurations throughout the case. 

The spacious and fully adaptable framework of the Define R6 sports nine fan mounts; integrated PWM fan hub and support for radiators up to 420mm; making it the perfect platform for building your dream water loop. Improved third generation ModuVent technology allows an effortless transition from steel-clad sound dampened top panel to filtered high airflow multi-fan ventilation setup. 

Expanding on the timeless elegant form and silent modular function that brought so much success to its predecessors; the new Define R6 offers the most demanding hardware enthusiast a solid foundation and flexible framework with limitless potential.

Product Features:

  • Optimized for silence with high-density industrial dampening on side; top and front panels 
  • Reversible front door with anodized aluminum cover and dual mounting system for adaptability with elegance 
  • Nine fan positions with intuitive layout and clear airflow paths offer massive cooling capacity 
  • Nexus+ Smart Hub offers superior fan control of six additional case fans and three extra PWM devices via your motherboard 
  • Three silent; airflow-optimized Fractal Design Dynamic X2 GP-14 140 mm fans come pre-installed helping ensure superior airflow via two intake fans and a single exhaust. 
  • Extensive water cooling support with room for up to a 420 mm radiator in the top; 360 mm in the front; and up to 280 mm in the base
  • Power supply shroud and Modular Storage Plate conceal HDD trays and excess cabling for a clean; clutter-free interior
  • Third generation ModuVent technology gives users the choice between a soundproof steel cover or filtered multi-fan ventilation setup in the top panel
  • Easy-to-clean high airflow nylon filters on the front; top; and base with full PSU coverage and front access for convenience 
  • Modular Storage Plate lets users easily convert between the Standard Layout for maximum storage capacity or the new Open Layout for superior water cooling support and clear air flow paths 
  • Vertical 2.5 slot GPU mount; compatible with the Fractal Design Flex VRC-25 PCIE x16 Vertical GPU Riser Kit; showcases your graphics hardware with full visibility and secure fastening (sold separately) 
  • Highly modular interior includes six universal SSD/HDD trays that can be independently repositioned to suit components; cooling; and cable routing 
  • Customizable 2.5" storage solution consists of two brackets and a choice of four tray locations to keep drives hidden behind the motherboard tray or display them prominently on top of the PSU shroud 
  • Compatible with Fractal Design Connect D1 USB 3.1 Gen 2 Type-C Upgrade Kit for ultra-fast file transfers and fast charging (sold separately; requires a compatible motherboard)


  • 3.5"/2.5" Universal drive brackets: 6
  • Dedicated 2.5" drive brackets: 2
  • Dedicated 5.25" drive brackets: 1 (removable)
  • Expansion slots: 7 + 2 vertical
  • Motherboard compatibility: eATX (up to 285mm wide); ATX; mATX; ITX
  • Power supply type: ATX
  • Front ports: 2 x USB 3.0; 2 x USB 2.0
  • Total fan mounts: 9
  • Front fan: 3 x 120 mm or 2 x 140 mm; 2 x Dynamic X2 GP-14 included
  • Top fan: Standard layout: 3 x 120 or 2 x 140; Open layout: 3 x 120/140 mm
  • Rear fan: 1 x 120/140 mm; 1 x Dynamic X2 GP-14 included
  • Bottom fan: 2 x 120/140 mm
  • Dust filters: Bottom fan + PSU; Front fans; Top pane
  • Front radiator: 120/240/360 mm; 140/280 mm
  • Top radiator: Standard layout: - 120/240/360 mm (max 35 mm motherboard component height); Open layout: - 120/240/360 mm - 140/280/420 mm (max 35 mm motherboard component height)
  • Rear radiator: 120 mm
  • Bottom radiator: 120/240 mm; 140/280 mm
  • PSU max length: 300 mm
  • GPU max length: Max 440mm with front fan mounted; Standard layout: maximum width 155 mm (including power connectors) for graphics cards longer than 300mm
  • CPU cooler max height: 185 mm
  • Cable routing space: 23 mm
  • Cable routing grommets: Yes
  • Fixed Velcro straps: Yes
  • Tool-less push-to-lock: Both side panels
  • Captive thumbscrews: HDD brackets; SSD brackets
  • Left side panel: Industrial sound-dampened steel
  • Right side panel: Industrial sound-dampened steel
  • Case dimensions (L x W x H): 543 x 233 x 465 mm
  • Case dimensions w/o feet/protrusions/screws: 535 x 233 x 448 mm
  • Net weight: 12.4 kg
This Kit Includes: