NZXT

NZXT H9 Flow White Midi Tower PC Case – ATX/EATX/mATX/Mini-ITX

Maximum CPU cooler height165
Supported HDD sizes2.5/3.5
Maximum graphics card length459
Number of power supply units1
Fan speed0 - 1350
Width315 mm

The NZXT H9 Flow is a spacious midi tower PC case built around a dual-chamber layout and wraparound tempered glass panels, giving you a clear, unobstructed view of your entire build while keeping thermals in check. It supports ATX, EATX, Micro-ATX, and Mini-ITX motherboards, making it a versatile foundation for a wide range of high-performance systems.

Description

Serious Cooling Headroom, Cleaner Builds

Dual-chamber design separates the PSU and drives from main components, improving airflow and simplifying cable management
Supports up to nine 140 mm fans across the top, front-right, and bottom positions, plus one 120 mm rear fan
420 mm radiator support on both the top and front-right panels for flexible liquid cooling setups
Accommodates GPUs up to 435 mm in length, leaving room for the largest current-generation graphics cards
Ultra-fine mesh panels maximise airflow while blocking dust

The H9 Flow suits builders putting together demanding gaming rigs, content creation workstations, or enthusiast water-cooled systems where both performance and aesthetics matter.

Specifications

General

Brand	NZXT
Form factor	Midi Tower
Product colour	White
Material	Mesh/SGCC/Tempered glass
Type	PC
Side window	Yes
Suitable for	Gaming
Cable management	Yes
Suitable location	Computer case
Maximum PSU length	200
Number of 2.5" bays	6
Number of 3.5" bays	2
Rear fans installed	1x 120 mm
Front fans installed	3x 140 mm
Number of expansion slots	7
EAN	5056547207636

Display

Tempered glass panel(s)	Yes

Processor

Maximum CPU cooler height	165

Storage

Supported HDD sizes	2.5/3.5

Graphics

Maximum graphics card length	459

Ports

Combo headphone/mic port	Yes
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2
USB 3.2 Gen 2x2 Type-C ports quantity	1

Keyboard & controls

On/off button	Yes

Battery & power

Number of power supply units	1

Performance & capacities

Fan speed	0 - 1350
Maximum airflow	100.25
Anti-dust filter	Yes
Maximum air pressure	1.4
Fan 2 maximum airflow	60.2
Liquid cooling capability	Yes
Fan 2 maximum air pressure	1.05

Features

Top fans diameters supported	120/140
Top radiator sizes supported	420
Rear fans diameters supported	120
Rear radiator sizes supported	120
Front fans diameters supported	120/140
Front radiator sizes supported	420
Bottom fans diameters supported	120/140
Bottom radiator sizes supported	360
Number of top fans supported (max)	3
Supported motherboard form factors	ATX/EATX/micro ATX/Mini-ITX
Number of rear fans supported (max)	1
Number of front fans supported (max)	3
Number of bottom fans supported (max)	3