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Cooler Master

Cooler Master Cosmos II

The Cooler Master Cosmos II conforms to the E-ATX form factor and so can accommodate motherboards with form factors ATX, E-ATX, Micro-ATX, XL-ATX and Mini-ITX.

It is made of Aluminium and its dimensions (LxWxH) are 344mm x 704mm x 664mm.


Cooler Master Cosmos II

help iconForm FactorE-ATXhelp iconTop Fans Speed1200 RPM
help iconMotherboard Form Factors
  • ATX
  • E-ATX
  • Micro-ATX
  • XL-ATX
  • Mini-ITX
help iconSide Fans2
help iconMaterialAluminiumhelp iconSide Fans Size120mm
help iconColorSilverhelp iconRear Fans1
help iconExpansion Slots11help iconRear Fans Size140mm
help icon5.25″ Drive Bays3help iconRear Fans Speed1200 RPM
help icon3.5″ Drive Bays9help iconHDD Fans1
help icon2.5" Drive Bays9help iconHDD Fans Size120mm
help iconTool-less Railsnohelp iconHDD Fans Speed1200 RPM
help iconLength344mmhelp iconBottom Fans2
help iconWidth704mmhelp iconBottom Fans Size120mm
help iconHeight664mmhelp iconBottom Fans Speed1200 RPM
help iconMaximum Graphics Card Length385mmhelp iconCase Fan dBA19 dBA
help iconMaximum CPU Cooler Size190mmhelp iconIO Display Panelyes
help iconFront Fans1help iconFront USB 2.0 Slots8
help iconFront Fans Size200mmhelp iconFront USB 3.0 Slots2
help iconFront Fans Speed700 RPMhelp iconeSATAyes
help iconTop Fans1help iconAudio IOyes
help iconTop Fans Size120mm

Cooler Master Cosmos II compatibility review

The Cooler Master Cosmos II has a the E-ATX form factor. Extended ATX is a slightly deeper version of the ATX standard which is designed to provide all the advantages of ATX but with slightly more room. Using the E-ATX standard, the case can house motherboards and power supplies with form factors ATX, E-ATX, Micro-ATX, XL-ATX and Mini-ITX. The dimensions of the case itself (LxWxH) are 344mm x 704mm x 664mm.

The Cooler Master Cosmos II has eleven expansion slots, so there is plenty of room for extra components, which may be a deciding factor when planning on the longevity and build type of a PC system. The case has three 5.25" drive bays, which is enough to house an optical drive and a couple of hard drives, while still having space for plenty more HDDs with the nine 3.5" drive bays that are also available. You can even install an SSD or laptop-sized HDD using one of the nine 2.5" drive bays.

Made primarily of Aluminium, the Cooler Master Cosmos II is built to be strong, lightweight, and well-ventilated. This often comes at a price premium, but some see the benefits to be completely worth it. Whatever your case's material, it is important to keep a consistent airflow so that heat doesn't build up inside. It is therefore advised that you make use of the available built-in case fans and fan installation sections.

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