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Masterbox Q300L Micro-ATX PC Chassis
Discontinued
More variations available Show

Cooler Master Masterbox Q300L Micro-ATX PC Chassis

The MasterBox Q300L is a straightforward option in the lineup of the brand new MasterBox Q-series from Cooler Master. A series that might be small in size but excels in functionality and modularity without compromising on the thermal performance.

Features

  1. Excellent ventilation, perfect for fanless or low airflow systems
  2. Supports Micro-ATX motherboards and a ATX PSU
  3. Stylish magnetic top and front panels
  4. Modular I/O panel

Although the size wouldn’t tell, the MasterBox Q300L supports a standard ATX PSU which we don’t see often in the market with this size. Based on the different system setup, the I/O panel can be adjusted to six different locations, three options at each side of the case. You can decide which setup fits your system best.

Due to the cube design of the frame and special pattern design on the magnetic dust filter will make the chassis stand out from the rest. The combination of a practical design and the unique customisable outlook makes the MasterBox Q300L the perfect choice for office and home usage.

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.

Minimised Dimension with ATX PSU Support

Despite the Micro-ATX form factor and the body depth and height of only 370mm x 370mm, the MasterBox Q300L can accommodate a normal ATX PSU.

Patterned Dust Filter

Special pattern on the dust filter creates a unique outlook for the chassis. Clean Routing Space: Behind the motherboard tray, it offers 28mm wide and spacy room for hidden cable management.

Excellent Thermal Performance

The open design of the perforated front, top and bottom guarantees excellent thermal performance.

Edge-to-Edge Acrylic Transparent Side Panel

Show off your build through the full size transparent side panel.

Vertical and Horizontal position

The case can be put in vertical and horizontal position.

SpecificationsCM Q300L
Product NameMasterBox Q300L
Product NumberMCB-Q300L-KANN-S00
Case Form FactorMicro-ATX
ColourBlack
WindowYes
MaterialsSteel, Plastic
Dimensions (LxWxH)387 x 230 x 381mm
Motherboard SupportMicro-ATX, Mini-ITX
Expansion Slots4
Drive Bay Capacity1x 3.5”, 2x 2.5”
I/O PortUSB 3.0 x 2, Audio In / Out
Pre-installed FansRear 120mm x 1
Fan Support - Front120 / 140mm x 2
Fan Support - Top120mm x 2
Fan Support - Rear120mm x 1
Fan Support - Bottom120mm x 1
Radiator Support - Front120mm x 1 / 240mm x 1
Radiator Support - Rear120mm x 1
Max CPU cooler height159mm
Max graphics card length360mm
Clearances - PSU160mm
Dust FiltersBottom
Power Supply SupportBottom mount, ATX PS2
Warranty24 months
EAN barcode4719512065488
SpecificationsCM Q300L
Product NameMasterBox Q300L
Product NumberMCB-Q300L-KANN-S00
Case Form FactorMicro-ATX
ColourBlack
WindowYes
MaterialsSteel, Plastic
Dimensions (LxWxH)387 x 230 x 381mm
Motherboard SupportMicro-ATX, Mini-ITX
Expansion Slots4
Drive Bay Capacity1x 3.5”, 2x 2.5”
I/O PortUSB 3.0 x 2, Audio In / Out
Pre-installed FansRear 120mm x 1
Fan Support - Front120 / 140mm x 2
Fan Support - Top120mm x 2
Fan Support - Rear120mm x 1
Fan Support - Bottom120mm x 1
Radiator Support - Front120mm x 1 / 240mm x 1
Radiator Support - Rear120mm x 1
Max CPU cooler height159mm
Max graphics card length360mm
Clearances - PSU160mm
Dust FiltersBottom
Power Supply SupportBottom mount, ATX PS2
Warranty24 months
EAN barcode4719512065488

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