Cooler Master MasterBox Q300L V3 Black

Cooler Master MasterBox Q300L V3 Black
  • Suitable for: Micro-ATX, Mini-ITX
  • Bays: 2 x 2,5", 2 x 3,5"
  • 1x 120mm fan bottomside
57.99
47.15 excl. VAT
 In stock, expected delivery: 4 - 5 working days
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Information

The Cooler Master MasterBox Q300L V3 Black is a compact and versatile mid-tower case designed for Micro-ATX and Mini-ITX motherboards. With its sleek black finish and a side window panel, this case combines a clean aesthetic with practical functionality. Measuring 429.4mm in height, 230mm in width, and 386.1mm in depth, it offers a space-efficient footprint without compromising on build flexibility. It supports graphics cards up to 366mm in length, CPU coolers up to 178mm in height, and PSUs up to 200mm, making it compatible with a wide range of components.

Cooling and Airflow
The MasterBox Q300L V3 is built with liquid cooling capability and offers extensive radiator support. The front panel accommodates radiators up to 240mm, while the top also supports up to 240mm configurations. The rear supports a 120mm radiator. For fan installations, the front supports up to two 120mm or two 140mm fans, and the case comes pre-installed with one 120mm fan at the rear and one 120mm fan at the bottom, ensuring solid baseline airflow right out of the box.

Storage and Expansion
Despite its compact size, the MasterBox Q300L V3 provides ample storage options with two 3.5-inch drive bays and two 2.5-inch bays, catering to both traditional hard drives and SSDs. Four expansion slots offer room for additional components and multi-GPU or accessory card setups, giving builders the flexibility to tailor the system to their specific needs.

Specifications

Brand:
Cooler Master
Product number:
21985743
Product number manufacturer:
Q300LV3-KGNN-S00

Cooling

Bottom fans installed:
1x 120mm
Front fans diameters supported:
2x 120mm, 2x 140mm
Front radiator sizes supported:
120, 240 mm
Liquid cooling capability:
Top radiator sizes supported:
120, 240 mm

Display

Built-in display:

Physical characteristics

Colour of product:
Black
Form factor:
Micro-ATX, Mini-ITX
Illumination:
Internal 3.5" bays:
2
Maximum CPU cooler height:
17.8 cm
Maximum graphics card length:
36.6 cm
Maximum PSU length:
20 cm
Number of 2.5" bays:
2
Number of expansion slots:
4
Side window:

Storage media

Card reader:

Weight & dimensions

Depth:
386.1 mm
Height:
429.4 mm
Width:
230 mm

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