NZXT H3 Flow M-ATX Mini Tower Case 2025 Edition Cabinet

Sized Down. Powered Up.

The H3 Flow delivers high-performance airflow in a space-efficient micro-ATX footprint. With fine mesh panels, a ventilated PSU shroud, and support for large components, it keeps powerful parts cool without taking over your desk.

Space-Saving Design

The micro-ATX form factor fits into smaller spaces, maximizing desk space without compromising on performance.

Optimized Airflow

Ultra-fine mesh on the front, top, and sides enhances cooling while filtering dust. The ventilated PSU shroud optimizes intake from bottom-mounted fans.

Full-Size GPU Support

Max length of 377 mm (no front fans), 352 mm (with fans), 317 mm (with fans & radiator).

7-Fan Capacity

Supports up to 140 mm fans (two front, two top) and 120 mm fans (two bottom, one rear).

Radiator Ready

Supports a 280 mm front radiator and a 240 mm top radiator for versatile cooling setups.

Back-Connect Ready

Compatible with ASUS BTF and MSI Project Zero motherboards for a clean, cable-free build.

Tool-Free Access

Easily remove panels for building, upgrading, or cleaning.

Easy Cable Management

Integrated cable channels and tie-down points make routing clean and simple.