Cooler Master MasterBox Q300L

Cooler Master MasterBox Q300L Review & Specifications

The Cooler Master MasterBox Q300L, manufactured by Cooler Master, is a moderate-quality PC case tailored for Micro-Tower builds. It is built using mid-range steel, plastic, and acrylic glass and weighs approximately 3.70 kg. Its aesthetic is characterized by a black finish and features a Acrylic glass side panel, which adds both style and functionality.

The Cooler Master MasterBox Q300L supports a limited range of motherboard sizes, such as Mini-ITX, Micro-ATX. These cases are often favored for compact, high-performance setups that do not exceed Micro-ATX dimensions, making them a popular option for users seeking space efficiency. Power supply compatibility includes ATX, SFX units with a maximum supported length of 160 mm. The overall case dimensions are 387 x 230 x 378mm, offering insight into its spatial footprint.

This case supports medium to large graphics cards up to 360 mm in length, along with CPU air coolers up to 159 mm in height.

This case features moderate cooling support, including several fan mounts and radiator support up to 240 mm. It's well-suited for mainstream gaming and productivity builds where cooling is important but not extreme. For additional details and specific specifications, refer to the section below.