Main product

Overview


Space-Saving Design
The micro-ATX form factor fits into smaller spaces, maximizing desk space without compromising on performance.

Optimized Airflow
Ultra-fine mesh on the front, top, and sides enhances cooling while filtering dust. The ventilated PSU shroud optimizes intake from bottom-mounted fans.

Full-Size GPU Support
Max length of 377 mm (no front fans), 352 mm (with fans), 317 mm (with fans & radiator).

7-Fan Capacity
Supports up to 140 mm fans (two front, two top) and 120 mm fans (two bottom, one rear).

Radiator Ready
Supports a 280 mm front radiator and a 240 mm top radiator for versatile cooling setups.

Back-Connect Ready
Compatible with ASUS BTF and MSI Project Zero motherboards for a clean, cable-free build.

Tool-Free Access
Easily remove panels for building, upgrading, or cleaning.

Easy Cable Management
Integrated cable channels and tie-down points make routing clean and simple.




At-a-glance


  • Back-Connect Motherboard Compatible: Ready for rear-connector motherboards like ASUS BTF and MSI Project Zero, enabling a clean, cable-free aesthetic.

  • Extensive Cooling Support: Supports up to a 280 mm radiator in the front, a 240 mm radiator on top, and up to seven fans for powerful, customizable cooling performance.

  • Full-Size GPU Support: Fits graphics cards up to 377 mm (without front fans), 352 mm (with front fans), or 317 mm (with front radiator and fans installed).

  • High-Airflow Design: Ultra-fine steel mesh panels and a ventilated PSU shroud maximize airflow while effectively filtering out dust.

  • Pre-Installed Rear Fan: Includes one F120Q (CV) fan at the rear to provide efficient exhaust airflow straight out of the box. CV = Case Version (3-pin DC)

  • Simplified Cable Management: Integrated cable channels and multiple tie-down points make it easy to route and organize cables for a clean, organized build.

  • Space-Saving Size: A space-efficient micro-ATX chassis that accommodates high-performance components without compromise.

  • Tool-Free Access: Removable top, front, and side panels allow for easy upgrades and cleaning—no tools required.




Reasons to buy

  • Back-Connect Motherboard Compatible: Ready for rear-connector motherboards like ASUS BTF and MSI Project Zero, enabling a clean, cable-free aesthetic.
  • Extensive Cooling Support: Supports up to a 280 mm radiator in the front, a 240 mm radiator on top, and up to seven fans for powerful, customizable cooling performance.
  • Full-Size GPU Support: Fits graphics cards up to 377 mm (without front fans), 352 mm (with front fans), or 317 mm (with front radiator and fans installed).
  • High-Airflow Design: Ultra-fine steel mesh panels and a ventilated PSU shroud maximize airflow while effectively filtering out dust.
  • Pre-Installed Rear Fan: Includes one F120Q (CV) fan at the rear to provide efficient exhaust airflow straight out of the box. CV = Case Version (3-pin DC)
  • Simplified Cable Management: Integrated cable channels and multiple tie-down points make it easy to route and organize cables for a clean, organized build.
  • Space-Saving Size: A space-efficient micro-ATX chassis that accommodates high-performance components without compromise.
  • Tool-Free Access: Removable top, front, and side panels allow for easy upgrades and cleaning—no tools required.

Specification

Technical Description: NZXT H9 H3 Flow Midi Tower Black
Cooling
Top radiator sizes supported:
240 mm
Front radiator sizes supported:
280 mm
Bottom fans diameters supported:
120 mm
Number of bottom fans supported (max):
2
Top fans diameters supported:
120,140 mm
Number of top fans supported (max):
2
Rear fans diameters supported:
120 mm
Number of rear fans supported (max):
1
Rear fans installed:
1x 120 mm
Front fans diameters supported:
120,140 mm
Number of front fans supported (max):
2

Design
Maximum PSU length:
18.5 cm
Maximum graphics card length:
37.7 cm
Maximum CPU cooler height:
17 cm
Cable management:Description of improved cable management
Yes
Tempered glass panel(s):
Yes
Side window:A side window is a transparent side (or part of side) in a housing which enables you to see the internal space of the device.
Yes
Number of expansion slots:
4
Number of 2.5" bays:
3
Number of 3.5" bays:A drive bay is a standard-area for adding hardware to a computer. Most drive bays are fixed to the inside of a case, but some can be removed. A 3.5" drive bay is for floppy disks.
1
Supported motherboard form factors:Design of the supported motherboards.
micro ATX, Mini-ITX
Product colour:
Black
Material:The material from which a thing is or can be made e.g. wood, plastic.
Mesh, SGCC, Tempered glass
Type:Characteristics of the device.
PC
Form factor:The shape or design of the product.
Midi Tower

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

Power supply
Number of power supply units:
1

Storage
Supported HDD sizes:
2.5,3.5"

Weight & dimensions
Weight:Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
4.8 kg
Height:The measurement of the product from head to foot or from base to top.
400 mm
Depth:The distance from the front to the back of something.
389 mm
Width:The measurement or extent of something from side to side.
225 mm

Product details

CC-H31FB-01 NZXT 5056547207988

NZXT H9 H3 Flow Midi Tower Black

£66.30 and In stock

SKU: CC-H31FB-01

NZXT H9 H3 Flow Midi Tower Black

Quick Code: Q2066452 MPN: CC-H31FB-01
£66.30

Quantity:
In Stock