About NZXT Chassis H3 Flow mATX White Cabinet
| Category | Specification |
|---|---|
| Case Type | Micro-ATX PC Case |
| Model Code | CC-H31FW-01 |
| Motherboard Compatibility | Micro-ATX, Mini-ITX |
| Rear-Connect Motherboards | Supported (ASUS BTF, MSI Project Zero) |
| 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 |
| Materials | SGCC steel, tempered glass |
| CPU Cooler Clearance | 170 mm |
| GPU Length Clearance | Up to 377 mm (no front fans), 352 mm (with fans), 317 mm (with fans + front radiator) |
| PSU Length Max | 185 mm |
| Cable Routing Space | Up to 31.5 mm |
| Front I/O Ports | USB 3.2 Type-A ×1, USB 3.2 Gen2×2 Type-C ×1 |
| Expansion Slots | Standard ×4, Vertical ×0 |
| Drive Bays | 2.5″: 1+2, 3.5″: 1 |
| Fan Support | Front: 2×120/2×140 mmTop: 2×120/2×140 mmBottom: 2×120 mmRear: 1×120 mm (F120Q included) |
| Radiator Support | Front: up to 280 mm, Top: up to 240 mm |
| Included Fan | F120Q (CV: 3-pin) |
| Fan Specs | Speed ~1,350 RPM,Airflow ~60.2 CFM,Noise ~24.1 dBA |
| Warranty | 2 years |
At its core, the H3 Flow delivers excellent airflow thanks to its ultra-fine mesh panels on the front, top, and sides.
These perforated surfaces allow air to move freely into and out of the case while blocking much of the dust that can accumulate over time, which helps maintain clean internals.
Complemented by a ventilated PSU shroud, this design ensures cool air reaches the components that need it most—whether you’re running high-end graphics cards or liquid cooling solutions.
Despite its compact micro-ATX frame, the H3 Flow doesn’t compromise on compatibility.
It supports both micro-ATX and mini-ITX motherboards, allowing flexibility in build choices.
The interior is cleverly arranged to maximize usable space.
You’ll find clearance for CPU coolers up to 170 mm tall and power supplies up to 185 mm deep, which accommodates most mainstream components without fuss.
Graphics card support is particularly noteworthy: the case can fit GPUs up to 377 mm in length when no front fans are installed, and still up to 352 mm with fans and 317 mm with a front radiator—evidence that NZXT prioritized versatility for modern gaming rigs and creator systems alike.
Cooling options are expansive. Builders can install up to seven fans throughout the chassis—two each in the front and top, two at the bottom, and one at the rear.
A pre-installed 120 mm F120Q rear fan gets your build started immediately, providing exhaust airflow right out of the box.
Whether you choose air cooling or AIO liquid cooling, the case’s support for up to 280 mm front radiators and 240 mm top radiators ensures thermal performance won’t bottleneck your setup.
The front I/O panel reflects modern connectivity needs, featuring a USB 3.2 Type-A port alongside a USB 3.2 Gen2×2 Type-C port—ideal for high-speed data transfers and next-gen peripherals.
Combined with four expansion slots and support for multiple drive bays (1×3.5″ and up to 3×2.5″), the H3 Flow provides a complete platform for both performance and storage needs.
One of the standout aspects of this case is its attention to build experience.
Tool-free access panels make assembly and maintenance fast and straightforward, removing barriers for newcomers and saving seasoned builders time and effort.
Integrated cable channels and tie-downs facilitate clean cable routing, while support for rear-connector motherboards like ASUS BTF and MSI Project Zero lets you explore innovative, cable-free aesthetics for a truly sleek build.
The NZXT H3 Flow mATX White Cabinet is an elegantly designed chassis that doesn’t sacrifice performance for size.
It offers superior airflow, smart component compatibility, and an enjoyable building experience.
Whether assembling a powerful gaming system, creative workstation, or efficient everyday rig, the H3 Flow harmonizes performance, style, and practicality in a refined white aesthetic that stands out on any desk.
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