About NZXT Chassis H9 Flow Black Mid Tower Case
| Category | Specification Detail |
|---|---|
| Model | NZXT H9 Flow (Black) |
| Case Type | Dual-Chamber Mid-Tower ATX Airflow Case |
| Materials | SGCC Steel, Dark Tinted Tempered Glass |
| Motherboard Compatibility | E-ATX (up to 277 mm), ATX, Micro-ATX, Mini-ITX |
| Dimensions (H×W×D) | 506 × 315 × 481 mm |
| Product Volume | ~76.7 L |
| Weight | ~12.46 kg |
| Pre-Installed Fans | 3 × F140Q (CV) + 1 × F120Q (CV) |
| Total Fan Support | Up to 10 Fans |
| Fan Support – Front-Right | 3 × 120 mm / 3 × 140 mm |
| Fan Support – Top | 3 × 120 mm / 3 × 140 mm |
| Fan Support – Bottom | 3 × 120 mm / 3 × 140 mm |
| Fan Support – Rear | 1 × 120 mm |
| Radiator Support – Front-Right | Up to 420 mm |
| Radiator Support – Top | Up to 420 mm |
| Radiator Support – Bottom | Up to 360 mm |
| Radiator Support – Rear | Up to 120 mm |
| CPU Cooler Clearance | Up to 165 mm |
| GPU Clearance | Up to 459 mm (with thinner fans) |
| PSU Support | Up to 200 mm |
| Cable Management Space | Wide routing channels |
| Drive Bays – 2.5″ | 6 total |
| Drive Bays – 3.5″ | 2 total |
| Expansion Slots | 7 Standard |
| Front I/O | 2 × USB-A, 1 × USB-C, Headset Jack |
| Supported Add-Ons | Back-Connect motherboards (ATX only) |
| Warranty | 2 Years |
At first glance, the H9 Flow makes a bold statement with its dark-tinted tempered glass side panel that reveals the depth of your internal components.
Its structural frame of SGCC steel provides strength and durability, while the dual-chamber layout intelligently separates the main thermal zone from the power supply and storage area.
The result is a cleaner interior and improved thermal efficiency, as heat-generating components are isolated from the rest of the build.
One of the standout aspects of this chassis is its airflow-centric design.
From perforated panels to strategically angled fans, NZXT has engineered the H9 Flow to pull cool air in and push heat out with minimal resistance.
The case supports up to ten total fans, and includes high-efficiency F140Q and F120Q fans pre-installed to ensure out-of-the-box performance.
Large mesh intake zones combined with thoughtful airflow paths make this case an ideal choice for builders who prioritize temperatures without sacrificing clean looks.
Inside, the H9 Flow offers massive component clearance.
Full-sized motherboards up to E-ATX fit comfortably, and space for long graphics cards — up to approximately 459 mm — means you can drop in today’s flagship GPUs without squeezing.
CPU cooler height clearance sits at 165 mm, making room for tall air coolers, and expansive radiator support allows up to 420 mm radiators at the top or front-right chamber.
This extensive cooling support lets builders configure aggressive air cooling layouts or complex custom liquid loops.
Another area where the H9 Flow stands out is practical build flexibility.
Cable management is enhanced with extra-wide routing channels, built-in Velcro straps, and tie-down points that keep wires neatly tucked away — not only improving airflow but also reducing clutter when you’re putting together a sophisticated build.
Storage options are generous too, with multiple 2.5″ and 3.5″ drive bays to accommodate SSDs and HDDs for large-capacity storage configurations.
The front I/O panel keeps modern connectivity at your fingertips with multiple USB-A ports, a high-speed USB-C port, and audio jacks.
Aesthetically, the H9 Flow is designed to appeal to builders who want a sleek, minimalist exterior coupled with an immersive internal view.
The tinted glass offers a panoramic showcase of your hardware, giving you a platform to highlight custom lighting, cooling loops, and premium components.
The subtle black finish blends seamlessly into nearly any setup, from professional workstations to personalized gaming stations.
The NZXT H9 Flow Black Mid Tower Case is engineered for enthusiasts who demand space, performance, and a premium feel.
Its airflow-optimized design, capacious interior, and practical build features make it a top contender for anyone building a high-end PC that looks as good as it performs.
Whether you’re tackling intense gaming sessions or rendering large creative projects, this case provides the foundation you need for a stable, cool, and attractive system.

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