NZXT | Gaming PCs, Prebuilt Desktops, PC Components

H3 Flow

H3 Flow - Main image
$46.19 $69.99 In stock

Category: Cases

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.

Customer Reviews (4.3 / 5 · 3 reviews)

Sebastian P. ★★★★★

The mesh panels really do keep my temps down compared to my old solid-front case, and the ventilated shroud hides my PSU cables while still letting the fan breathe. Fits a full-size GPU without any cramping, which I honestly wasn't expecting from a micro-ATX.

Chloe N. ★★★★★

Building in this case was surprisingly painless for a micro-ATX — the mesh front actually lets me see my fans spinning, and cable routing behind the shroud stays tidy. It swallows a full-size GPU without me shoving anything, which I didn't expect at this footprint.

Adam ★★★☆☆

Temps on my GPU dropped about 6 degrees compared to my old solid-front case, so the mesh panels are doing their job. That said, cable management behind the motherboard tray is tight, and the ventilated PSU shroud doesn't leave much room for a chunky non-modular unit. Fine for the price, just know wh