The NZXT H9 Flow RGB+ 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.

Dual-Chamber Design: Separates main components from the PSU and drives for improved thermal performance and cable management.

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

RGB Ready: Includes two F420 RGB Core single-frame fans, one F120 RGB Core (CV) fan in the rear, and an NZXT Control Hub. CV = Case Version (3-pin DC)

Ten-Fan Capacity: Supports up to nine 140mm fans across the top, front-right, and bottom, plus one 120mm fan in the rear.

Panoramic View: Showcase every detail of your build with seamless, wraparound tempered glass paneling.

Large Radiators & GPUs: Fits up to a 420mm radiator on the top and front-right, with plenty of clearance for high-end graphics cards.

Easy Cable Management: Extra-wide channels, built-in Velcro straps, and tie-down points make cable routing effortless.

Back-Connect Ready: Compatible with rear-connecting motherboards like ASUS BTF and MSI Project Zero for a cable-free look.

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.

10-Fan Cooling

Fits up to nine 140 mm fans and one 120 mm rear fan.

Large Radiator Support

Holds up to 420 mm radiators on the top and front-right panels for versatile cooling.

Maximum Graphics

Handles GPUs up to 435 mm, giving plenty of space for top-tier graphics cards.

Back-Connect Ready

Compatible with ASUS BTF and MSI Project Zero motherboards for a cable-free look.

Easy Cable Management

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

Tech Specs

Dimensions

Height: 506 mm (19.9 in)

Width: 315 mm (12.4 in)

Depth: 481 mm (18.9 in)

Volume: 76.7 L

Weight: 13.4 kg (29.54 lb)

General

Enclosure Type: Mid-tower

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

Rear-Connecting Motherboard Support (BTF, Project Zero): Yes (ATX)

Materials: SGCC steel, clear tempered glass (white), tinted tempered glass (black)

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

Drive Bays

2.5": 4+2

3.5": 2

Fan Support

Front-Right: 3 x 120 mm / 3 x 140 mm (1 x F420 RGB Core included)

Top: 3 x 120 mm / 3 x 140 mm

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

Rear: 1 x 120 mm (1 x F120 RGB (CV) included)

Radiator Support

Front-Right: Up to 420 mm

Top: Up to 420 mm

Bottom: Up to 360 mm

Rear: Up to 120 mm