Description
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, a ventilated PSU shroud, and pre-installed RGB fans to promote consistent, optimized airflow while adding vibrant lighting to 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 RGB Fans: Comes with pre-installed RGB fans to provide effective airflow while adding vibrant, customizable lighting to your gaming setup.
- 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.

Specifications:
| 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) |
| Enclosure Type | Micro-ATX Case |
| Motherboard Compatibility | Micro-ATX, Mini-ITX |
| Rear-Connecting Motherboards | Yes (BTF, Project Zero) – Micro-ATX |
| Materials | SGCC steel, clear tempered glass (White), tinted tempered glass (Black) |
| CPU Cooler Height | Up to 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 |
| USB 3.2 Type-A | 1 |
| USB 3.2 Gen 2x2 Type-C | 1 |
| Standard Expansion Slots | 4 |
| Vertical Expansion Slots | 0 |
| 2.5" Drive Bays | 1 + 2 |
| 3.5" Drive Bays | 1 |
| Front Fan Support | 2 × 120 mm / 2 × 140 mm |
| Top Fan Support | 2 × 120 mm / 2 × 140 mm |
| Bottom Fan Support | 2 × 120 mm |
| Rear Fan Support | 1 × 120 mm |
| Included Fans | Pre-installed RGB fans |
| Front Radiator Support | Up to 280 mm |
| Top Radiator Support | Up to 240 mm |











