Cooler Master MasterBox Q300L Micro-ATX PC Case – Compact mATX Computer Case with Magnetic Dust Filters, Modular Adjustable I/O Panel, Perforated Airflow Design, 1 x 120mm Pre-Installed Fan, Black
4.5★ · 13,961 Amazon ratings as of Jul 9, 2026
- 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
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Specifications
| brand | Cooler Master |
|---|---|
| color | Black |
| case_type | Mini-Tower |
| model_name | Q300L |
| item_weight | 480 Grams |
| manufacturer | Cooler Master |
| model_number | MCB-Q300L-KANN-S00 |
| built_in_media | 1 computer case |
| cooling_method | Air |
| item_type_name | grocery |
| number_of_fans | 3 |
| mfr_part_number | MCB-Q300L-KANN-S00 |
| total_usb_ports |
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