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Cooler Master Masterbox Q300L

The Cooler Master Masterbox Q300L conforms to the Micro-ATX form factor and so can accommodate motherboards with form factors Micro-ATX and Mini-ITX.

It is made of Steel and its dimensions (LxWxH) are 387mm x 230mm x 378mm.


Cooler Master Masterbox Q300L

help iconRelease Date01 Mar 2018help iconMaximum CPU Cooler Size157mm
help iconForm FactorMicro-ATXhelp iconFront Fans2
help iconMotherboard Form Factors
  • Micro-ATX
  • Mini-ITX
help iconFront Fans Size140mm
help iconMaterialSteelhelp iconTop Fans2
help iconColorBlackhelp iconTop Fans Size120mm
help iconExpansion Slots4help iconRear Fans1
help icon5.25″ Drive Bays0help iconRear Fans Size120mm
help icon3.5″ Drive Bays1help iconBottom Fans1
help icon2.5" Drive Bays2help iconBottom Fans Size120mm
help iconTool-less Railsnohelp iconIO Display Panelyes
help iconLength387mmhelp iconFront USB 2.0 Slots0
help iconWidth230mmhelp iconFront USB 3.0 Slots2
help iconHeight378mmhelp iconeSATAno
help iconMaximum Graphics Card Length360mmhelp iconAudio IOyes

Cooler Master Masterbox Q300L compatibility review

The Cooler Master Masterbox Q300L has a the Micro-ATX form factor. Micro-ATX is a smaller version of the ATX standard which is designed to make your case and the system therein lightweight and portable. Using the Micro-ATX standard, the case can house motherboards and power supplies with form factors Micro-ATX and Mini-ITX. The dimensions of the case itself (LxWxH) are 387mm x 230mm x 378mm.

The Cooler Master Masterbox Q300L has four expansion slots, so there is some room for extra components, which may be a deciding factor when planning on the longevity and build type of a PC system.

Made primarily of Steel, the Cooler Master Masterbox Q300L is built to be strong and well-ventilated. Steel cases are generally fairly cheap and sturdy, but also tend to be quite heavy. 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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