The Cooler Master Qube 340 Black is a compact and versatile mid-tower case designed for Micro-ATX and Mini-ITX motherboards. With a sleek all-black finish and a side window panel, this case combines a clean aesthetic with practical functionality. Its dimensions of 429.4mm (H) x 230mm (W) x 386.1mm (D) make it an efficient choice for space-conscious builds without sacrificing component compatibility.
Cooling and Radiator Support
The Qube 340 is built with thermal performance in mind. It supports liquid cooling configurations with radiator mounting options at the front (120mm and 240mm), top (120mm and 240mm), and rear (120mm). A 120mm fan comes pre-installed at the rear, and the front panel can accommodate up to two 120mm or two 140mm fans. This flexibility makes it straightforward to set up robust airflow or a custom water cooling loop.
Component Compatibility and Storage
Builders will find solid component support throughout. The case accommodates graphics cards up to 366mm in length and CPU coolers up to 178mm in height, covering a wide range of popular hardware options. Power supply units of up to 200mm in length are supported. For storage, the Qube 340 offers two 3.5-inch drive bays and two 2.5-inch bays, providing enough room for multiple drives. Four expansion slots are available, giving builders the flexibility to install additional cards alongside their primary GPU.
Product number manufacturer:
Q340-KGNN-S00
Cooling
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
Physical characteristics
Maximum CPU cooler height:
17.8 cm
Maximum graphics card length:
36.6 cm
Number of expansion slots:
4
Storage media
Weight & dimensions
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