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Cooler Master MasterCase Pro 6 Review

Rating: 8.0.

Here at KitGuru we have eagerly followed the various MasterCases and MasterBoxes that Cooler Master have released over the last year or two. Today we are looking at the brand-new MasterCase Pro 6. It is priced at £139.99 here in the UK, so a key part of this review will be finding out if this is good value for money.

Despite the name, the Cooler Master MasterCase Pro 6 is not actually a successor to the MasterCase Pro 5. Rather, it is best to think of them as cousins – the Pro 5 is designed to offer extravagant visuals, while the Pro 6 is much more minimalistic. Of course, the MasterCase Pro 6 does make use of Cooler Master’s trademark FreeForm modular system, so you can easily add in accessories and upgrade the case should you wish. Read on for the full review including an analysis of the internal and external features as well as our temperature testing.


  • Available Colour: Dark metallic grey exterior with black interior
  • Materials: Steel body, Plastic panels
  • Dimensions: (LxWxH) 544 x 235 x 548mm
  • Net Weight: 11.74 Kg
  • Motherboard Support: ATX, Micro-ATX, Mini-ITX
  • Expansion Slots: 7
  • External drive bays: 5.25″ x2
  • Combo 3.5″ / 2.5″ drive bays: x5
  • SSD bays: 2
  • I/O Panel: USB 3.0 x 2, audio in / out
  • Fan Support: Front 120mm x 3 / 140mm x 3, Rear 120mm x 1 / 140mm x 1, Top 120mm x 2 / 140mm x 2
  • Liquid Cooling Support: Front 240 / 280mm, Rear 120 / 140mm, Top 240mm / 280mm (max. 297mm radiator length)
  • CPU Cooler  clearance: 190mm / 7.48″
  • PSU length: 200mm / 7.87″
  • Graphics Card length: 412mm / 16.22″ (without 3.5″ HDD cage), 296mm / 11.7″ (with 3.5″ HDD cage)
  • Cable Routing Behind Motherboard Tray: 25mm – 35mm
  • Dust Filters: Front, bottom

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1. Introduction2. MasterCase Pro 6: Exterior3. MasterCase Pro 6: Interior4. System Installation5. Testing: Thermals and …

  • Lelisevis

    What is up with Cooler Master at the moment? It’s like the design team picked up a catalogue from the early noughties. Steel, Acrylic windows that scratch when you look at them, 90 degree angles everywhere and I don’t know if you mention it in the video but in the second page the 4th picture is absolutely covered in fingerprints like you’ve just been working in a McDonalds. Mid way through the year I would not be surprised if they launch onto the market a revolutionary new range called the HAF for case builders who like to dust every other month.
    It’s such a competitive marketplace now that £140 can get you some seriously nice cases from Corsair, Phanteks, NZXT and even the Bequiet Dark Base 900 if you shop around, I know what I’d rather have.

  • Dominic Moass

    Personally I like the aesthetics but I agree – £140 can get you some cases with a real ‘wow’ factor, something I feel the MasterCase Pro 6 lacks. you’re 100% right about the steel being a fingerprint magnet though

  • Yes Indeed

    Coolermaster had their time. the Mastercase line is all overpriced and under-featured and relies on DLC style accessories that take forever to release. top still limited to dual rads, bulky plastic exterior panels at $170 USD? this case is no different internally than the Pro 5, so what’s the point of it? it’s like the Corsair 570X being taller than the 460X, yet not mounting any additional radiator size really. at least that has a bunch of glass panels. is this just the Mastercase 5 with a more sealed up exterior? wow.