NZXT - H3 Flow Micro-ATX High-Airflow PC Case - White
Customers are saying
Customers regard this mATX case highly for its exceptional airflow and solid build quality, which make it a reliable choice for various builds. Users appreciate the well-designed internal space and cable management options that simplify the installation process while accommodating large components. Although some reviewers noted the absence of pre-installed front fans, the overall consensus highlights a compact and efficient chassis that performs well.
Color
WhiteSpace-Saving Size
A space-efficient micro-ATX chassis accommodates standard 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 an 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.
- Motherboard Form FactormicroATX, Mini-ITXMaximum GPU Length377 millimetersProduct Height15.75 inchesProduct Width10.04 inchesProduct Depth15.32 inchesWindow Panel(s)Side
Reviews
Rating 4.8 out of 5 stars with 45 reviews
- Airflow (17)
- Size (12)
- Build Quality (10)
- Cable Management (8)
- Ease of Assembly (4)
- Fan Support (3)
Customer Images
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
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| Pros for NZXT - H3 Flow Micro-ATX High-Airflow PC Case - White | |||
|---|---|---|---|
| Airflow, Size, Cable Management, Build Quality, Ease of Assembly | Size, Airflow, Cable Management, Appearance, Ease of Use | Airflow, Cable Management, Internal Space, Appearance, Case Design | Airflow, Internal Space, Cable Management, Size, Overall Performance |
| Cons for NZXT - H3 Flow Micro-ATX High-Airflow PC Case - White | |||
| Fan Support | There were no cons for this product— | Weight | Dust Filter |


























































