H3 Flow

Micro-ATX Airflow Case

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Overview

Details

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.

Inside the Box

  • H3 Flow1

  • Pre-installed F120Q (CV)1

  • Installation accessories 1

  • User guide 1

Sized Down. Powered Up.

The H3 Flow delivers high-performance airflow in a space-efficient micro-ATX footprint. With fine mesh panels, a ventilated PSU shroud, and support for large components, it keeps powerful parts cool without taking over your desk.

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).

10-Fan Cooling

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

Radiator Ready

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

Maximum Graphics

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

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.

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:1

  • USB 3.2 Gen2x2 Type-C:1

EXPANSION SLOTS

  • Standard:4

  • Vertical:0

DRIVE BAYS

  • 2.5":1+2

  • 3.5":1

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

  • WARRANTY:2 years

PRODUCT INFO

  • Model Number:CC-H31FW-01 / CC-H31FB-01 / CC-H31FW-02 / CC-H31FB-02

  • UPC:810074848039 / 810074848046 / 810074843508 / 810074843515

  • EAN:5056547207971 / 5056547207988 / 505654720339 / 5056547203409

FAQs

The H3 Flow only has 4 PCIe slot brackets, so vertical GPU mounting is not supported.

Yes, the H3 Flow works with back-connect boards from major brands like MSI and ASUS. Just note that some thicker cables may require tighter bends—using flexible cables and taking your time with cable management can help.

Only the top of the case features a removable mesh panel for easy cleaning. Instead of traditional dust filters, the case utilizes perforated panels that provide excellent airflow while helping keep dust out — reducing the need for extra filters.

There’s an SSD mounting point on the back of the motherboard tray. If you’re planning to use it, it’s best to install the SSD before mounting your motherboard. That way, you’ll have easier access and smoother cable management.

The H3 Flow is a smaller version of the H5 Flow, designed for micro-ATX motherboards with added support for back-connect motherboards. Here’s a look at their dimensions side-by-side:

  • H3 Flow: 400 mm x 225 mm x 389 mm | 4.8 kg
  • H5 Flow: 465 mm x 225 mm x 430 mm | 7.28 kg

Downloads

Documentation

Download H3 Digital Manual (Multi-language) pdf

H3 Digital Manual (Multi-language)

5.6 MB(pdf)

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