NZXT H3 Flow Micro-ATX Airflow Case -Black
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.
Tech Specs
Category Details 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 Rear-Connecting MB Support Yes (Micro-ATX – BTF / Project Zero) Materials SGCC Steel, Tempered Glass (Clear - White / Tinted - Black) Clearance CPU Cooler Height 170 mm GPU Length Up to 377 mm (no front fans) Up to 352 mm (with front fans) Up to 317 mm (with front radiator + fans) PSU Length Up to 185 mm Cable Routing Space Up to 31.5 mm Front Rad + Fan Thickness Up to 63 mm Top Rad + 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 × 120 mm / 2 × 140 mm Top 2 × 120 mm / 2 × 140 mm Bottom 2 × 120 mm Rear 1 × 120 mm (1 × F120Q (CV) included) Radiator Support Front Up to 280 mm Top Up to 240 mm