Description
Overview
The NZXT H3 Flow is a space‑efficient micro‑ATX mid‑tower focused on airflow and builder convenience. Its ultra‑fine steel mesh panels and ventilated PSU shroud maximise intake while a dark‑tinted tempered glass side panel shows off components. The case ships with a pre‑installed F120Q rear fan and supports a wide range of cooling and full‑length graphics cards for compact performance builds.
Key features
- Micro‑ATX / Mini‑ITX compatibility for compact builds.
- Ultra‑fine mesh front/top/side panels and a ventilated PSU shroud for improved airflow and dust filtering.
- Supports GPUs up to 377 mm (no front fans), 352 mm (with front fans) or 317 mm (with front fans + radiator).
- Radiator support up to 280 mm in the front (140 mm base) and up to 240 mm on top (120 mm base).
- Pre‑installed 1 x F120Q airflow rear fan (3‑pin DC) and removable magnetic top mesh filter.
- Front I/O: 1 x USB 3.2 Type‑A and 1 x USB 3.2 Gen 2×2 Type‑C.
- Tool‑free removable top, front and side panels for easy access and cleaning.
Who it’s for
The H3 Flow suits builders who want a compact desktop footprint without sacrificing GPU length or cooling capacity — a good choice for gaming or productivity systems built on micro‑ATX or mini‑ITX motherboards.






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