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Fractal Design Define R4 Case Review

Rating: 9.0.

Fractal Design have been around for a few years now and have made a name for themselves by producing a range of whisper quiet cases which also offer great build quality and good value.  We were very impressed with the Fractal Design Define XL when we tested it last year so we were very excited when Fractal Design offered us their latest model to test.

Today we are going to look at the Fractal Design Define R4 case which is essentially an updated version of the Define R3 which has been on the market for a few years.  It comes in at a price of around £100 inc. VAT which means it’s competing with many other cases as the market is crowded at this price point.


  • High density noise-reducing material for an optimal silent case – To achieve a high level of noise reduction, material with mass should be incorporated which is what we strive to achieve with the dense bitumen used on the side panels.
  • Patent pending ModuVent™ design allowing the user to choose between optimal silence or maximum airflow.
  • Top HDD cage (5 trays total) can be rotated 90 degrees or removed for additional airflow or to accommodate long graphic cards up to 430mm in length.
  • Three-speed fan controller is strategically integrated in the front panel and supports up to 3 fans.
  • Two Silent Series R2 fans included, featuring hydraulic bearings contributing to a longer life expectancy – Silent Series R2 retail fans will now come standard in all cases.
  • Wider case body that allows for improved cable routing behind the motherboard – now 26mm wide.
  • New tool-less front fan holder makes switching front fans a breeze.
  • Two SSDs can be mounted on the back of the motherboard plate.

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