NZXT
H3 Flow
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.
Specification
| Category |
Specification |
| Dimensions |
Height: 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) |
| Enclosure Type |
Micro-ATX Case |
| Motherboard Compatibility |
Micro-ATX, Mini-ITX |
| Rear-Connecting Motherboard Support |
Yes (Micro-ATX – BTF, Project Zero) |
| Materials |
SGCC Steel, Tempered Glass (clear for white, tinted for black) |
| CPU Cooler Clearance |
Up to 170 mm |
| GPU Clearance |
Up to 377 mm (no front fans), 352 mm (with front fans), 317 mm (with front radiator and fans) |
| PSU Clearance |
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 |
1 × USB 3.2 Gen 1 Type-A, 1 × USB 3.2 Gen2x2 Type-C |
| Expansion Slots |
4 Standard, 0 Vertical |
| Drive Bays |
2.5": 1 + 2, 3.5": 1 |
| Fan Support |
Front: 2 × 120 mm / 2 × 140 mmTop: 2 × 120 mm / 2 × 140 mmBottom: 2 × 120 mmRear: 1 × 120 mm (1 × F120Q (CV) included) |
| Radiator Support |
Front: Up to 280 mmTop: Up to 240 mm |
| Included Fan (F120Q CV) |
Speed: 1,350 ± 150 RPM, Airflow: 60.2 CFM, Static Pressure: 1.05 mmH₂O, Noise: 24.1 dBA, Connector: 3-pin |