Overview

The H3 Flow micro-ATX case combines a space-efficient design with high-performance capability. Designed to support full-sized components, it features ultra-fine mesh panels and a ventilated PSU shroud to maintain consistent, optimized airflow throughout your build.

Space-Saving Size: A space-efficient micro-ATX chassis that accommodates high-performance components without compromise.
High-Airflow Design: Ultra-fine steel mesh panels and a ventilated PSU shroud maximize airflow while effectively filtering out dust.
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).
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.
Back-Connect Motherboard Compatible: Ready for rear-connector motherboards like ASUS BTF and MSI Project Zero, enabling a clean, cable-free aesthetic.
Tool-Free Access: Removable top, front, and side panels allow for easy upgrades and cleaning—no tools required.

White computer case with labeled internal dimensions: 389 mm (15.31 in) wide, 225 mm (8.86 in) deep, and 400 mm (15.75 in) tall. Mini-ITX and micro-ATX motherboard sizes are shown in purple inside the case.

Space-Saving Design

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

A computer case with arrows showing airflow: cool air enters from the front and bottom, and warm air exits through the top and rear. A magnified section highlights the mesh front panel.

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.

Close-up of a white computer case interior with a blue banner stating Up to 377 mm. At the bottom right, a label reads 50 Series Ready in green and black. Temperature display shows 32°C.

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).

A white PC case interior with labels showing radiator support: up to 120 mm on the left, up to 240 mm at the top, and up to 280 mm on the right side of the case.

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.

A black PC case with its side, front, and top panels removed, showcasing the interior frame, cooling fan, and ventilation areas. The panels are displayed slightly apart from the main chassis.

Tool-Free Access

Easily remove panels for building, upgrading, or cleaning.

A white, empty NZXT computer case with cutouts for components, cable management holes, and mounting brackets visible inside. The interior is clean, minimal, and ready for PC assembly.

Easy Cable Management

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

Tech Specs

Dimensions

Height (with feet)

400 mm (15.75 in)

Width

225 mm (8.86 in)

Depth

389 mm (15.31 in)

Volume

35.0 L

Weight

4.8 kg (10.58 lb)

General

Enclosure Type

Micro-ATX Case

Motherboard Compatibility

Micro-ATX, Mini-ITX

Supports Rear-Connecting Motherboards (BTF, Project Zero)

Yes (Micro-ATX)

Materials

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

Clearance

CPU Cooler Height

170 mm

GPU Length

Up to 377 mm (without front fans)
Up to 352 mm (with front fans)
Up to 317 mm (with front radiator and fans)

PSU Length

Up to 185 mm

Cable Routing Space

Up to 31.5 mm

Front Radiator + Fan Thickness

Up to 63 mm

Top Radiator + Fan Thickness

Up to 70 mm

Front I/O Ports

USB 3.2 Type-A

USB 3.2 Gen2x2 Type-C

Expansion Slots

Standard

Vertical

Drive Bays

2.5"

1+2

3.5"

Fan Support

Front

2 x 120 mm / 2 x 140 mm

Top

2 x 120 mm / 2 x 140 mm

Bottom

2 x 120 mm

Rear

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

Radiator Support

Front

Up to 280 mm

Top

Up to 240 mm

Fan Specs

Model

F120Q (CV)

Speed

1,350 ± 150 RPM

Airflow

60.2 CFM

Static Pressure

1.05 mmH2O

Noise

24.1 dBA

Fan Connector

3-pin

Warranty

2 years

Product Info

Model Number

CC-H31FB-01

UPC

810074848046

EAN

5056547207988

NZXT H3 Flow Black Micro-ATX PC Case

Customer Reviews

Country

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