PC Case NZXT H9 H3 Flow Midi Tower White

The NZXT H9 H3 Flow Midi Tower White is a compact mid-tower PC case engineered for high airflow and flexible cooling configurations while maintaining efficient use of desk space. It supports Mini‑ITX and Micro‑ATX motherboards, accepts 2.5" and 3.5" drives, and comes in a white finish with tempered glass side panel(s).

Advantages

This case combines a space-saving footprint with extensive cooling support: ultra-fine mesh on the front, top and sides improves airflow and reduces dust ingress, while a ventilated PSU shroud enhances bottom-fan intake. It accommodates full-size graphics cards up to 377 mm (without front fans) and includes one pre-installed 120 mm rear fan for immediate exhaust. Tool-free removable panels, integrated cable channels and multiple tie-down points simplify building, upgrading and cable management. The chassis is compatible with rear‑connect motherboards such as ASUS BTF and MSI Project Zero for cleaner cable routing.

Suitable for

• Compact gaming or workstation builds using Micro‑ATX or Mini‑ITX motherboards
• Systems requiring strong airflow and multiple fan/radiator configurations
• Users who prefer tool-free access and straightforward cable management

Key specifications

• Form factor: Midi Tower supporting Mini‑ITX and Micro‑ATX
• Dimensions (W×D×H): 225 × 389 × 400 mm
• Drive bays: three 2.5" bays and one 3.5" bay
• GPU clearance: up to 377 mm (no front fans), 352 mm (with front fans), 317 mm (with front fans & radiator)
• Fan support: up to seven fans (two front up to 140 mm, two top up to 140 mm, two bottom 120 mm, one rear 120 mm)
• Radiator support: front up to 280 mm, top up to 240 mm
• Pre-installed fan: one 120 mm rear F120Q (3‑pin DC)
• Materials: tempered glass, SGCC steel, mesh
• Colour: White
• Weight: 4.8 kg
• MPN / EAN: CC-H31FW-01 / 5056547207971

How to use

Install a Mini‑ITX or Micro‑ATX motherboard and mount storage drives in the provided 2.5" and 3.5" bays. Configure cooling according to component layout: install front and top fans or radiators as needed, place the power supply behind the ventilated shroud, and fit the GPU within the listed clearance limits. Use the removable front, top and side panels for easy access during component installation and maintenance.

Recommendations

For best cooling and dust control, use a combination of front intake fans and the pre‑installed rear exhaust fan; avoid blocking front airflow if planning to install a large GPU or front radiator. When using rear‑connect motherboards, verify port alignment before final assembly.