NZXT H3 Flow Micro-ATX Tower Case (Black)

$59.98

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  • SPACE-SAVING SIZE — A space-efficient micro-ATX chassis that accommodates high-performance components without compromise.

  • HIGH-AIRFLOW DESIGN — Ultra-fine steel mesh on the panels and PSU shroud maximizes airflow while effectively filtering dust.

  • EXTENSIVE COOLING SUPPORT — Supports up to a 280 mm radiator at the front, a 240 mm radiator at the top, and up to seven fans for powerful cooling performance.

  • FULL-SIZE GRAPHICS CARDS — Fits GPUs up to 377 mm (without front fans), 352 mm (with front fans), and 317 mm (with front radiator and fans installed).

  • PRE-INSTALLED REAR FAN — Comes equipped with a F120Q (CV) fan at the rear for efficient exhaust airflow right out of the box.

  • EASY CABLE MANAGEMENT — Integrated cable channels and tie-down points simplify cable routing for a clean and organized build.

  • BACK-CONNECT MOTHERBOARD READY — Fully compatible with rear-connect motherboards like ASUS BTF and MSI Project Zero, enabling a sleek, cable-free appearance.

  • TOOL-FREE ENTRY — Removable top, front, and side panels allow quick, easy access for upgrades and cleaning—no tools required.

New Item on ComputerPalooza!

Visit the NZXT Store

Free Shipping On All Orders
Free Hassle-Free Returns

View All Desktop Case / Chassis

  • SPACE-SAVING SIZE — A space-efficient micro-ATX chassis that accommodates high-performance components without compromise.

  • HIGH-AIRFLOW DESIGN — Ultra-fine steel mesh on the panels and PSU shroud maximizes airflow while effectively filtering dust.

  • EXTENSIVE COOLING SUPPORT — Supports up to a 280 mm radiator at the front, a 240 mm radiator at the top, and up to seven fans for powerful cooling performance.

  • FULL-SIZE GRAPHICS CARDS — Fits GPUs up to 377 mm (without front fans), 352 mm (with front fans), and 317 mm (with front radiator and fans installed).

  • PRE-INSTALLED REAR FAN — Comes equipped with a F120Q (CV) fan at the rear for efficient exhaust airflow right out of the box.

  • EASY CABLE MANAGEMENT — Integrated cable channels and tie-down points simplify cable routing for a clean and organized build.

  • BACK-CONNECT MOTHERBOARD READY — Fully compatible with rear-connect motherboards like ASUS BTF and MSI Project Zero, enabling a sleek, cable-free appearance.

  • TOOL-FREE ENTRY — Removable top, front, and side panels allow quick, easy access for upgrades and cleaning—no tools required.

Introducing The NZXT H3 Flow Desktop Case

 

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. 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 DesignThe micro-ATX form factor fits into smaller spaces, maximizing desk space without compromising on performance. Optimized AirflowUltra-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 SupportMax length of 377 mm (no front fans), 352 mm (with fans), 317 mm (with fans & radiator). 7-Fan CapacitySupports up to 140 mm fans (two front, two top) and 120 mm fans (two bottom, one rear). Radiator ReadySupports a 280 mm front radiator and a 240 mm top radiator for versatile cooling setups. Back-Connect ReadyCompatible with ASUS BTF and MSI Project Zero motherboards for a clean, cable-free build. Tool-Free AccessEasily remove panels for building, upgrading, or cleaning. Easy Cable ManagementIntegrated cable channels and tie-down points make routing clean and simple. Inaccurate specs? Let us know Feedback

Here are the features of the product.

  • Micro-ATX and Mini-ITX Support
  • Steel Frame & Tempered Glass Panel
  • 1+2 x 2.5" Drive Bays
  • 1 x 3.5" Drive Bay
  • 4 x Expansion Slots
  • USB-A 3.2 Gen 1 | USB-C 3.2 Gen 2 2x
  • 1 x 120mm Rear Fan Pre-Installed
  • 280mm Front Radiator Support
  • 14.8" Max GPU Clearance
  • 6.7" Max CPU Cooler Clearance

These are the technical specifications.

Key Specs
Motherboard Support
Micro-ATX, Mini-ITX
Internal Drive Bays
1x 2.5/3.5"
 
Drive Mounting (Non-Bay)
Motherboard Tray
2x 2.5"
Expansion Slots
4x Full Height Horizontal
Maximum GPU Length
14.8" / 377 mm
CPU Cooler Height
6.7" / 170 mm
Fans Included
Bottom:
1x 120 mm Non-LED (1350 rpm, 24.1 dBA)
I/O
1x USB-A (USB 3.0 / 3.1/3.2 Gen 1)
1x USB-C (USB 3.2 Gen 2x2)
Windowed Panel
Yes
Compatibility
Motherboard Support
Micro-ATX, Mini-ITX
External Drive Bays
No
Internal Drive Bays
1x 2.5/3.5"
 
Drive Mounting (Non-Bay)
Motherboard Tray
2x 2.5"
Expansion Slots
4x Full Height Horizontal
Maximum GPU Length
14.8" / 377 mm
CPU Cooler Height
6.7" / 170 mm
Supported PSU Size
ATX
Maximum PSU Length
7.3" / 185 mm
PSU Mounting Location
Bottom
Cooling
Fan Mounting
Front
2x 120/140 mm
Top
2x 120/140 mm
Bottom
2x 120 mm
Rear
1x 120 mm
Fans Included
Bottom:
1x 120 mm Non-LED (1350 rpm, 24.1 dBA)
Maximum Radiator Size
Front:
280 mm
Top:
240 mm
Fan Controller Included
Yes
Filters Included
Yes: Top
Inputs / Outputs
I/O
1x USB-A (USB 3.0 / 3.1/3.2 Gen 1)
1x USB-C (USB 3.2 Gen 2x2)
Physical
Windowed Panel
Yes
Color
Black
Material
Steel, Tempered Glass
Built-In Lighting
No
Tool-Less Design
Yes
Security
No
Cable Management Space
Yes
Dimensions (W x H x D)
8.9 x 15.7 x 15.3" / 225 x 400 x 389 mm
Weight
10.58 lb / 4.8 kg
Packaging Info
Package Weight
13.9 lb
Box Dimensions (LxWxH)
19.5 x 19 x 12.25"

These are the technical specifications.

These are the technical specifications.

These are the technical specifications.