Nzxt H9 Flow Black Mid Tower Case

The NZXT H9 Flow Black Mid Tower Case is engineered for exceptional cooling performance and stunning aesthetics, truly providing a panoramic view of your high-powered components. Featuring a dual-chamber design and extensive fan/radiator support, this case ensures optimal airflow to even the most demanding GPUs. Consequently, its uninterrupted glass panels and intuitive cable management make it a prime choice for enthusiasts seeking both functional superiority and a visually captivating PC build.
Key Features of the NZXT H9 Flow Black Mid Tower Case:
Panoramic Glass Design for an Uninterrupted View:
NZXT meticulously crafted the H9 Flow to showcase your premium components in style. It features seamless tempered glass panels across both the front and side, which provide an uninterrupted, panoramic view of your PC’s interior. This “fish-tank” like design ensures your build’s components receive the undivided attention they deserve, making your PC not just a machine, but indeed a piece of art. The clear visibility, moreover, allows for endless customization with lighting and component display.

Enormous Cooling Potential with High-Performance Airflow:
The H9 Flow handles high-powered components effectively with its expansive thermal capabilities. It offers room for an impressive total of up to ten fans, thereby providing exceptional cooling potential. Specifically, the perforated top and side panels efficiently direct filtered air through the case, ensuring optimal cooling for your components and enhancing overall system performance. Additionally, it supports large radiators up to 360mm in the top, side, and bottom panels. This allows for versatile liquid cooling setups and truly “enormously cool” operation, keeping even the most demanding GPUs at optimal temperatures. Four F Series Quiet 120mm (Case Version) fans come pre-installed (three on the side and one on the rear) to provide immediate cooling, although it is important to note these are not RGB or ARGB.

Creatively Flexible Dual-Chamber Design and Simplified Building:
The H9 Flow features a highly functional dual-chamber design. This clever layout separates cables, storage drives, and the power supply unit from the main components. Thus, it maintains a clean interior look and maximizes unobstructed airflow, particularly to the GPU. Building in this case is incredibly simplified thanks to its spacious interior, intuitive cable channels, integrated bridges, and convenient Velcro straps. Furthermore, the inclusion of a dedicated SSD wall panel and removable top and side mounting brackets makes installation and maintenance a breeze, offering creative flexibility for your powerful components.
Robust Component Compatibility and Dimensions:
This mid-tower case accommodates high-end hardware. It supports motherboards including ATX, Micro ATX, and Mini ITX form factors, with potential for E-ATX upon removal of the cable management tray. The H9 Flow provides ample space for large graphics cards, supporting a maximum GPU length of up to 435mm. For CPU cooling, it allows for coolers with a maximum height of 165mm. The power supply unit bay supports PSUs up to 200mm in length. Finally, with overall dimensions (H x W x D) of 495mm x 290mm x 466mm (with feet) and a weight of 13.9kg, the H9 Flow stands as a substantial yet well-proportioned chassis for a high-performance build.
Explore compatible PC Cases or check other products on the NZXT Official Website’s Cases section. Find full details on the official NZXT H9 Flow product page.
Specifications of the NZXT H9 Flow Black Mid Tower Case:
- Model: H9 Flow Black
- Case Type: ATX Mid Tower
- Color: BLACK
- Case Material: SGCC Steel, Tempered Glass
- Motherboard Compatibility: ATX / Micro ATX / Mini ITX
- Dust Filters: Bottom / Side / Top
- Internal 3.5″ Drive Bays: 2
- Internal 2.5″ Drive Bays: 4 + 2
- Expansion Slots: 7
- Front Ports:
- 2 x USB 3.2 Gen 1 Type-A
- 1 x USB 3.2 Gen 2 Type-C
- 1 x Headset Audio Jack
- Fan Options:
- Side: 3 x 120mm (3 x F Series Quiet 120mm (Case Version) included)
- Top: 3 x 120mm / 2 x 140mm
- Bottom: 3 x 120mm / 2 x 140mm
- Rear: 1 x 120mm (1 x F Series Quiet 120mm (Case Version) included)
- * The pre-installed fans are not RGB or ARGB.
- Radiator Options:
- Side: Up to 360mm (120/240/360mm) with push/pull
- Top: Up to 360mm (120/140/240/280/360mm)
- Bottom: Up to 360mm (120/140/240/280/360mm)
- Rear: Up to 120mm
- Max GPU Length: 435mm
- Max CPU Cooler Height: 165mm
- Max PSU Length: Up to 200mm
- Dimensions (H x W x D):
- With Feet: 495mm x 290mm x 466mm
- Without Feet: 465mm x 290mm x 466mm
- Weight: 13.9kg
- Model Number/SKU: CM-H91FB-01
- EAN/UPC: 810074842488


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