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Coolermaster computer cases combine durability with functionality. Protect data and the lifespan of your computer with an ergonomic case with standout features such as steel-reinforced carrying handles, USB 3.0 support, and fans to keep parts cool.


Coolermaster cases are available in many sizes with several types of features. There is a model that fits your needs to keep your computer from overheating and give it the protective case it needs.

  • CoolerMaster MasterCase Pro 5 USB3.0 ATX Computer Case

    CoolerMaster MasterCase Pro 5 USB3.0 ATX Computer Case

    £0.99
    1 bid
    + £20.00 P&P
    Model MasterCase 5. Mother Board Support ATX, m-ATX, M-ITX. This is a great case for those people looking for great flexible. Unlike many designs this case has excellent airflow through the case which...
  • Cooler Master Elite 110A ITX Case - Black USB 3.0

    Cooler Master Elite 110A ITX Case - Black USB 3.0

    Brand New UK Stock from The Official CCL Store On eBay
    £38.59
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    Free P&P
    • 43 watching
    • |
    • 51 sold
    Available @ CCL: Cooler Master Elite 110A Home ITX Case in Black. Fits up to ITX motherboards - Designed to fit daily pc user needs, from Office tasks to multimedia enjoyment with a mini cube shaped c...
  • Cooler Master MasterBox Lite 3.1 Micro ATX Gaming PC Case USB 3.0 mATX Glass

    Cooler Master MasterBox Lite 3.1 Micro ATX Gaming PC Case USB 3.0 mATX Glass

    £39.85
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    Free P&P
    • 286 watching
    • |
    • 83 sold
    Cooler Master MasterBox Lite 3.1 Micro ATX Gaming PC Case. The MasterBox Lite 3.1 mATX Case is your straightforward option for your PC build that doesn't ignore good looks, customization, or performan...
  • Cooler Master Elite 120 mini ITX case

    Cooler Master Elite 120 mini ITX case

    £29.99
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    or Best Offer
    + £5.05 P&P
    Unprecedented airflow for a Mini-ITX case. 1/3 the size of a standard case. Features a full Size 5.25” drive bay. USB 3.0 Super Speed Support.
  • Cooler Master N300 Case

    Cooler Master N300 Case

    £40.53
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    + £3.99 P&P
    The new Cooler Master N300 is a mid-tower designed for optimum cooling. There are four models to choose from by single / dual USB 3.0 support and side panel window. If you prefer liquid cooling soluti...
  • COOLER MASTER COSMOS II ULTRA TOWER BLACK GAMING DREAM CASE.

    COOLER MASTER COSMOS II ULTRA TOWER BLACK GAMING DREAM CASE.

    £87.00
    15 bids
    + £14.95 P&P
    • 26 watching
    The COSMOS II Ultra Tower features a streamlined design accentuated by a pair of distinctive handles like no other. The smooth, brushed aluminum touch of the side panels unlock and swing open like the...
  • COOLER MASTER COSMOS SE CASE COS-5000-KWN1 Computer Case

    COOLER MASTER COSMOS SE CASE COS-5000-KWN1 Computer Case

    £0.99
    0 bids
    + £20.00 P&P
    The COSMOS SE features a classic supercar design with curved aluminum handles. It supports up to 3 radiators at once. Contained within the desirable exterior of the COSMOS SE is the support for truly ...
  • Coolermaster Cosmos S - computer case cosmos s PC Gaming

    Coolermaster Cosmos S - computer case cosmos s PC Gaming

    £45.00
    0 bids
    + £0.00 P&P
    This has been thoroughly cleaned since being photographed. Weight Net Weight: 13.8 kg / 30.4 lb. Gross Weight: 17.8 kg / 39.2 lb. Maximum Compatibility VGA Card length :352.6mm. Expansion Slots 7. Sid...
  • Cooler Master Cosmos S gaming PC case ***COLLECTION ONLY***

    Cooler Master Cosmos S gaming PC case ***COLLECTION ONLY***

    £60.00
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    or Best Offer
    + £0.00 P&P
    Cooler Master Cosmos S gaming PC case. Despite its size and weight, this case is quite easy to carry using the handles on its top. Power button (touch/sensor type) works fine. The only known issue is ...
  • Coolermaster Cosmos II Tower PC Computer Case

    Coolermaster Cosmos II Tower PC Computer Case

    £100.00
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    or Best Offer
    + £0.00 P&P
    Coolermaster Cosmos II Case. In good overall condition, one side panel has a window (is made them from Clear Acrylic Sheet ), if you dont like them You can buy new or used panel from site Coolermaster...