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Cooler Master

Cooler Master Cosmos S

The Cooler Master Cosmos S conforms to the E-ATX form factor and so can accommodate motherboards with form factors ATX and E-ATX.

It is made of Aluminium and its dimensions (LxWxH) are 628mm x 266mm x 598mm.

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Cooler Master Cosmos S

help iconRelease Date22 Feb 2008help iconFront Fans Speed1200 RPM
help iconForm FactorE-ATXhelp iconTop Fans2
help iconMotherboard Form Factors
  • ATX
  • E-ATX
help iconTop Fans Size120mm
help iconMaterialAluminiumhelp iconTop Fans Speed1200 RPM
help iconColorBlackhelp iconSide Fans1
help iconExpansion Slots7help iconSide Fans Size220mm
help icon5.25″ Drive Bays7help iconSide Fans Speed900 RPM
help icon3.5″ Drive Bays4help iconRear Fans1
help icon2.5" Drive Bays0help iconRear Fans Size120mm
help iconTool-less Railsyeshelp iconRear Fans Speed1200 RPM
help iconLength628mmhelp iconCase Fan dBA17 dBA
help iconWidth266mmhelp iconIO Display Panelyes
help iconHeight598mmhelp iconFront USB 2.0 Slots4
help iconMaximum CPU Cooler Size145mmhelp iconFront USB 3.0 Slots0
help iconFront Fans1help iconeSATAyes
help iconFront Fans Size120mmhelp iconAudio IOyes

Cooler Master Cosmos S compatibility review

The Cooler Master Cosmos S 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 and E-ATX. The dimensions of the case itself (LxWxH) are 628mm x 266mm x 598mm.

The Cooler Master Cosmos S has seven 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 seven 5.25" drive bays, which is more than enough to house various drives, particularly optical drives. With four 3.5" drive bays there is also plenty of extra HDD space as well. Installing a solid-state drive on this case would require a 3.5" adapter. Installation of hard drives into these drive bays is made all the more easier by screwless rails that allow tool-less mounting.

Made primarily of Aluminium, the Cooler Master Cosmos S 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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