Cooler Master

15.2×9.1×14.9 Inches (LxWxH)

Supports Micro ATX and Mini ITX Motherboards

Four PCIe Slots


The Cooler Master Q300L is a well-ventilated pc case that supports fanless CPU coolers. The case measures 15.2×9.1×14.9 inches (LxWxH). It is compatible with Micro ATX motherboards. There are 4 standard size PCIe slots for expansion cards. The side of the case has a power on/off button, two USB 3.0 ports, and an audio in and audio out jack. It is compatible with external or internal power supplies. The case can be laid vertically or horizontally.

Additional information

Dimensions15.2 x 9.1 x 14.9 in


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