
Cooler Master MCB-Q300L-KANN-S00 MasterBox Q300L Micro-ATX Tower
Compact Powerhouse: Cooler Master MasterBox Q300LIntroducing the Cooler Master MasterBox Q300L, a micro-ATX tower case designed to blend functionality with unique aesthetics. Featuring magnetic dust filters, a transparent acrylic side panel, and adjustable I/O, this case offers versatile cooling ...
*Price sourced from Amazon.com. Last updated:Sep 15, 2026.Price and availability are subject to change — details.
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Overview
Compact Powerhouse: Cooler Master MasterBox Q300L
Introducing the Cooler Master MasterBox Q300L, a micro-ATX tower case designed to blend functionality with unique aesthetics. Featuring magnetic dust filters, a transparent acrylic side panel, and adjustable I/O, this case offers versatile cooling and easy customization.
- Form Factor: Micro-ATX Tower
- Motherboard Compatibility: Micro-ATX, Mini-ITX
- Cooling: Supports 240mm Liquid Cooler, Up to 5 Fans
- Features: Magnetic Dust Filters, Adjustable I/O Panel, Transparent Side Panel
- Color: Black
Key Features
Ample Interior: Explore ample interior space for Micro-ATX or Mini-ITX motherboards, ensuring easy and future expansion
Components Clearance: Accommodates CPU coolers with a max height of 159mm, GPU cards up to 360mm, and PSU up to 160mm in length.
Versatile Cooling: Maximize cooling performance with a 240mm liquid cooler and 5 fans.
Modular I/O Panel: You have the flexibility to adjust its position at the front, top, or bottom on both sides
Edge-To-Edge Panel: Show off your meticulous build through the transparent side panel with pride.
Open Thermal Design: The perforated design on all sides promotes optimal airflow and heat dissipation
Magnetic Dust Filters: The unique pattern of the dust filter adds a distinctive appearance to the case.