Ryzen 9 Gaming PC, Ryzen 9 9950X3D, RTX 5090 32GB, Windows 11 PRO

NZXT H9 Flow RGB (2025) Dual-Chamber ATX Mid Tower Gaming Case with RGB Fans

Overview

The H9 Flow is a spacious mid-tower ATX case built for high-performance builds, balancing airflow and aesthetics. Its dual-chamber design improves cooling and cable management, while perforated panels, angled fans, and ample fan and radiator support deliver optimal thermal performance.

Optimized Airflow

Angled front-right fans and an airflow-optimized layout keep temps low and performance steady.

Mesh Panels

Ultra-fine, high-airflow mesh panels maximize airflow while filtering dust.

Spacious Dual-Chamber

Separates heat-generating components for improved airflow and a cleaner build.

Easy Cable Management

Extra-wide channels, Velcro straps, and tie-down points make cable routing simple.

Dimensions

Height

506mm (19.9")

Width

315mm (12.4")

Depth

481mm (18.9")

Volume

76.7 L

Weight

12.6 kg (27.78 lb)

General

Enclosure Type

Mid-tower

Motherboard Compatibility

E-ATX (Up to 277mm), ATX, Micro-ATX, Mini-ITX

Rear-Connecting Motherboard Support (BTF, Project Zero)

Yes (ATX)

Clearance

CPU Cooler Height

165mm

GPU Length

Up to 459mm (with <56mm thickness fans installed at the front-right) Up to 410mm (with 56mm thick 420mm AIO and fans installed at the front-right)

PSU Length

200mm

Top Radiator & Fan Thickness

Up to 80mm (360mm) Up to 62mm (420mm)

Front I/O Ports

USB 3.2 Type-A

2

USB 3.2 Gen2x2 Type-C

1

Headset Jack

1

Expansion Slots

Standard

7

Vertical

0

Fan Support

Front-Right

3 x 120mm / 3 x 140mm (1 x F420 RGB Core included)

Top

3 x 120mm / 3 x 140mm

Bottom

3 x 120mm / 3 x 140mm

Rear

1 x 120mm (1 x F120Q (CV) included)

Radiator Support

Front-Right

Up to 420mm

Top

Up to 420mm

Bottom

Up to 360mm