Cooler Master MasterBox Q300P

Cooler Master MasterBox Q300P


The MasterBox Q300P is your portable option in the MasterBox Q-series from Cooler Master, a series that might be small in size but excels in functionality, modularity, and thermal performance.

  • Model

    Brand Cooler Master
    Series MasterBox Q300P
    Model MCB-Q300P-KANN-S02


    Type Micro ATX
    Color Black
    Case Material Steel / Plastic
    With Power Supply No
    Power Supply Mounted Bottom
    Motherboard Compatibility Micro-ATX / Mini-ITX
    Side Panel Window Yes


    Internal 3.5" Drive Bays 1
    Internal 2.5" Drive Bays 2
    Expansion Slots 4

    Front Panel Ports

    Front Ports 2 x USB 3.0 / Audio In & Out

    Cooling System

    Fan Options Front: 2 x 120mm (2 x 120mm RGB LED Fan Pre-installed) or 2 x 140mm fan

    Top: 2 x 120mm fan

    Rear: 1 x 120mm fan (1 x 120mm fan Pre-installed)

    Bottom: 1 x 120mm fan
    Radiator Options Front - Up to 120mm / Front - Up to 240mm / Rear - Up to 120mm

    Dimensions & Weight

    Max GPU Length 360 mm
    Max CPU Cooler Height 157 mm
    Max PSU Length 224 mm
    Dimensions (H x W x D) 17.72" x 9.06" x 17.72"
    Weight 11.46 lbs.

    Additional Info

    Features High Flexibility for System Building: The I/O panel can be adjusted to six different locations. On both side of the body you can install the I/O panel at the front, top or bottom.

    Minimized Dimension with ATX PSU Support: Despite the Micro-ATX form factor and the body depth and height of only 370mm x 370mm, the MasterBox Q300P can accommodate a normal ATX PSU.

    Easy to Handle: Four removable handles make it easy to transport or carry your full system build to a LAN Party.

    Clean Routing Space: Behind the motherboard tray, it offers 28mm wide and spacy room for hidden cable management.

    Edgo-to-Edge Acrylic Transparent Side Panel: Show off your build through the full size transparent side panel.

    RGB LED fans: Two pre-installed 120mm RGB LED fans behind the front panel and RGB lighting at the top front can create an amazing lighting effect.

    RGB Lighting Control: One RGB controller is included in the accessory pack. If your MB does not support the RGB control function, you can connect the RESET button cable and control the RGB lighting directly from the I/O panel.

    Vertical and Horizontal position: The case can be put in vertical and horizontal position.

    1 to 3 Splitter Cable for RGB LED Fans: The RGB Connector Splitter and 4 pin male to male adapters are included.
    Certified compatible with: ASUS, Gigabyte, MSI and ASRock motherboards.