Deepcool MATREXX 40 3FS Black Micro ATX PC case

The Deepcool MATREXX 40 3FS is a compact micro ATX computer case that balances space efficiency with genuine cooling flexibility. Built with ABS, steel and tempered glass, it delivers a practical foundation for small-form-factor builds without compromising on airflow or expandability.

Cooling and expansion built for performance

• Supports up to six 120mm or four 140mm fans, plus radiators up to 280mm on top and front for liquid cooling setups
• Ships with two pre-installed 120mm LED fans at the front and one 120mm LED fan at the rear
• Removable drive cage and smart cable management for easier assembly and cleaner internals
• Four expansion slots and support for CPU coolers up to 165mm tall
• Two 3.5" and two 2.5" drive bays for storage flexibility

Ideal for builders seeking a compact micro ATX enclosure with proper thermal potential—whether you're running air cooling, planning a modest water loop, or building a silent workstation with multiple fans.