caseCooler Master

Cooler Master MasterBox Q300L MicroATX Mini Tower Case

MCB-Q300L-KANN-S00

Key specs at a glance

Type
MicroATX Mini Tower
Board Support
Micro ATX Mini ITX
GPU Clearance
360 mm
Side Panel
Acrylic

Technical specifications

Every labeled spec with an info icon has a plain-English definition.

Physical
Dimensions
387 mm x 230 mm x 378 mm 15.236" x 9.055" x 14.882"
Motherboard Support
Micro ATX Mini ITX
Case Type
MicroATX Mini Tower
Max GPU Length
360 mm
Build
Manufacturer
Cooler Master
Side Panel
Acrylic
Color
Black
Part Number
MCB-Q300L-KANN-S00
Front Radiator Support
240 / 120 mm
Rear Radiator Support
120 mm
Front Fan Support
2 x 120 mm / 2 x 140 mm
Rear Fan Support
1 x 120 mm
Top Fan Support
2 x 120 mm
Bottom Fan Support
1 x 120 mm
Power Supply
None
PSU Shroud
No
Other
Price
39.99
Price Updated At
2026-08-23T12:09:52.957+00:00

Catalog record

This page lists the available catalog data for Cooler Master MasterBox Q300L MicroATX Mini Tower Case. Use the builder action to check the part against a saved build, or compare it with other case options before deciding.