The H9 Flow dual-chamber mid-tower ATX PC case is back and better than ever. A fan favorite for its spacious interior and dual-chamber layout, the 2025 version refines what made it great and adds thoughtful updates for today’s high-performance builds. With improved airflow, expanded cooling support, and even cleaner cable management, the new H9 Flow makes building a powerhouse feel effortless.

What’s New in 2025?

We took your feedback and turned it into upgrades:

• Angled Front-Right Cooling

Inspired by the H6 Flow, this new angled intake directs airflow to your GPU and other heat-intensive components.

• Larger Cooling Support

Fits a 420 mm radiator on the top or front-right panel for even more cooling flexibility.

• Expanded Bottom Fan Capacity

Supports up to 3 × 140 mm fans (previously 2 × 140 mm) to boost airflow from the bottom up.

• Back-Connect Motherboard Support

Designed to support back-connect motherboards for a cleaner, more polished build.

Key Features

Everything you need for high-performance, high-visibility builds:

• Dual-Chamber Design

Separates main components from the PSU and storage for improved thermals and cable management.

• Optimized Airflow

Perforated steel panels and angled front-right fans ensure efficient cooling for high-performance builds.

• Pre-Installed Fans

Comes ready to cool with fans included right out of the box.

• Ten-Fan Capacity

Supports up to nine 140 mm fans on the top, front-right, and bottom, plus one 120 mm fan in the rear.

• Panoramic View

Wraparound tempered glass showcases every angle of your build.

• Large Radiators and GPU Support

Fits up to 420 mm radiators and provides ample clearance for high-end graphics cards.

• Easy Cable Management

Extra-wide channels, built-in Velcro straps, and tie-down points make routing fast and clean.

• Back-Connect Ready

Compatible with rear-connecting motherboards for a truly cable-free aesthetic.

Meet the H9 Flow Family

Each model comes with pre-installed fans to help you get started faster:

• H9 Flow

1 × F140Q (CV), 1 × F120Q (CV)

• H9 Flow RGB

1 × F420 RGB Core, 1 × F120Q (CV)

• H9 Flow RGB+

2 × F420 RGB Core, 1 × F120 RGB Core (CV), plus the NZXT Control Hub for synchronized lighting and fan control

 

From first builds to powerhouse setups, the H9 Flow gives you the space, cooling, and visibility to create something worth showing off.

Create your build with the H9 Flow, H9 Flow RGB, or H9 Flow RGB+