NZXT Chassis H3 Flow (2025) M-ATX Mid-tower Case without PSU

- Delivery & Return
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♻️ Replacement and Refund Policy:
- We accept replacement if product is defective or wrong product shipped no return or refund will be entertained.
- For gaming chairs only part replacement is applicable if the product delivered is defective or damaged, no refunds will be there for orders of gaming chairs.
- If the seal of the product is opened and the product is not faulty then return/refund will not be applicable.
- Packaging material should be kept by the buyer until the replacement window is opened as this will help them to pack the product to its original form to avoid any damage during the transit.
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- All the accessories which were delivered along with the product should be returned in the same way and along with the product.
- If the payment was made through our payment gateway, then it will be refunded in same account by which the payment was done, in case of BANK TRANSFER and COD orders refunds will be done only in buyers bank account. Refunds usually takes 7-10 working days to reflect in your account.
₹19,900.00 Original price was: ₹19,900.00.₹4,975.00Current price is: ₹4,975.00.
NZXT H3 Flow Micro-ATX Mid Tower PC Case Optimized Airflow Includes 1 x 120mm Rear Fan Supports Full-Sized GPUs Fits 280mm Front, 240mm Top Radiator Back-Connect Motherboard Black
Feature
The Nzxt 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 and a ventilated PSU shroud to maintain consistent, optimized airflow throughout 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 Rear Fan: Includes one F120Q (CV) fan at the rear to provide efficient exhaust airflow straight out of the box. CV = Case Version (3-pin DC)
- 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.

SIZED DOWN. POWERED UP.
The H3 Flow delivers high-performance airflow in a space-efficient micro-ATX footprint. With fine mesh panels, a ventilated PSU shroud, and support for large components, it keeps powerful parts cool without taking over your desk.

SPACE-SAVING DESIGN
The micro-ATX form factor fits into smaller spaces, maximizing desk space without compromising on performance.

OPTIMIZED AIRFLOW
Ultra-fine mesh on the front, top, and sides enhances cooling while filtering dust. The ventilated PSU shroud optimizes intake from bottom-mounted fans.

FULL-SIZE GPU SUPPORT
Max length of 377 mm (no front fans), 352 mm (with fans), 317 mm (with fans & radiator).

RADIATOR READY
Supports a 280 mm front radiator and a 240 mm top radiator for versatile cooling setups.

7-FAN CAPACITY
Supports up to 140 mm fans (two front, two top) and 120 mm fans (two bottom, one rear).

BACK-CONNECT READY
Compatible with ASUS BTF and MSI Project Zero motherboards for a clean, cable-free build.

TOOL-FREE ACCESS
Easily remove panels for building, upgrading, or cleaning.

EASY CABLE MANAGEMENT
Integrated cable channels and tie-down points make routing clean and simple.
| 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 Motherboard Support | Yes (Micro-ATX) |
| Materials | SGCC steel, clear tempered glass (white), tinted tempered glass (black) |
| CPU Cooler Height Clearance | 170 mm |
| GPU Length Clearance | Up to 377 mm (without front fans) <br> Up to 352 mm (with front fans) <br> Up to 317 mm (with front radiator & fans) |
| PSU Length Clearance | 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 |
| Front I/O Ports | 1 x USB 3.2 Type-A, 1 x USB 3.2 Gen2x2 Type-C |
| Expansion Slots | Standard: 4 <br> Vertical: 0 |
| Drive Bays | 2.5": 1+2 <br> 3.5": 1 |
| Fan Support | Front: 2 x 120 mm / 2 x 140 mm <br> Top: 2 x 120 mm / 2 x 140 mm <br> Bottom: 2 x 120 mm <br> Rear: 1 x 120 mm (1 x F120Q (CV) included) |
| Radiator Support | Front: Up to 280 mm <br> Top: Up to 240 mm |
| Fan Specs (F120Q CV) | Speed: 1,350 ± 150 RPM <br> Airflow: 60.2 CFM <br> Static Pressure: 1.05 mmH₂O <br> Noise: 24.1 dBA <br> Connector: 3-pin |
| Warranty | 2 years |
| Model Numbers | CC-H31FB-01 |
| UPC | 810074848046 |
| EAN | 5056547207988 |
1 review for NZXT Chassis H3 Flow (2025) M-ATX Mid-tower Case without PSU
| 5 star | 100 | 100% |
| 4 star | 0% | |
| 3 star | 0% | |
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Q & A
NZXT Chassis H3 Flow (2025) M-ATX Mid-tower Case without PSU
- Motherboard
- Ring Lights
- Tripod
- Video Editing Deck
- Monopod
- Car Washer
- Power supply
- Ant Esports Power Supply
- Gigabyte Power Supply
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- Elgato
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- AIO Desktop
- Circle Keyboard & Mouse Combo
- Cooling System
- Air Cooler
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- Cooling Kit
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- Air Purifier
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- Gaming Console
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- Film Cartridge
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- Wall Mount
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- Backpack
- OTG Cable
- Air Tag Holder
- converter
- Fitness Band
- Briefcase
- Writing Pad
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- Fan Accessories
- Spike Protectors
- Phone Case
- Extension Board
- Displayport Cable
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- Ethernet Cable
- Fan Hub
- Charging Dock
- DVD Writer
- Transmitter & Receiver
- Wrist Rests
- Enclosure
- Mechanical Switches
- Sound Cards
- Server Accessories
- Pen
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- Expansion Card
- Mouse Bungee
- Pedals
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- Headphone Splitter
- Audio Cable
- light stick
- RGB Controller
- Audio Adapter
- Audio Splitter
- SSD Heatsink
- Receipt Printers
- Riser & Cables
- GPU Holder
- Side Panel
- Luggage
- WiFi Adapter
- Disk Drive
- HDMI Splitter
- NVLink
- Mouse Pads
- Mic
- Monitor Stand
- Boom Arm
- USB Lights
- Phone Cooler
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- Vibration Mount
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- Key Switches
- Card Reader
- Tablet Holder
- Buds
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- Fans
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- ScreenBar
- Fan Splitter Cable
- Chassis Stand Kit
- ARGB Controller
- Power Bank
- Bracket
- HDMI Cables
- Battery
- Speaker Stand
- Cable Management
- Bottle
- CPU Cooler Mounting Kit
- Pen Drive
- Mixers
- Cables & Adapters
- Camera Battery
- Toolkit
- Remote Control
- Bluetooth Dongle
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- Virtual Reality Headset
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- Bundles
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- Dell Alienware Tri-Mode
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- Dell KB900 Wireless Premier Collaboration Keyboard
- F5-6000J3636F16GX2-TZ5RW
- flash drive 512 GB
- HP OMEN 45L Gaming Desktop
- HT-A9000+SW3+RS3S
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- KB700
- Major-3-BT-BLK
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- MS7421W
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- Panoramic
- Patriot iLuxe Cube 256GB USB Type-C Flash Drive
- Patriot TXD M.2 PCIe SSD ENCLOSURE
- Razer Kunai Fan
- Razer PWM PC Fan Controller
- Sony Bravia Theatre Quad HT-A9M2+SA-SW5 Premium Home Theatre System
- Team Group T-Force Cardea Z44L 2TB SSD
- TS16GCF133
- TS256GJF920
- UltraProlink Mach 48 charger
- UltraProlink Power Qube
- WL5024
- Zotac Gaming RTX 5070 Ti Solid Core
- ZT-B50710B-10P
Related Products
- CLEAR VIEW: Seamless glass across the front and side panels gives your build’s components the undivided attention they deserve.
- HIGH-PERFORMANCE AIRFLOW: Perforated top and side panels direct filtered air through the case to cool down components and enhance performance.
- DUAL-CHAMBER DESIGN: Cables, storage, and PSU are separate from other components to maintain a clean look and maximize airflow to the GPU.
- SIMPLIFIED BUILDING: Spacious interior with intuitive cable management, a dedicated SSD wall panel, and removable top and side mounting brackets.
- ENORMOUSLY COOL: Supports radiators up to 360mm in the top, side, and bottom panels. Fits up to 10 x 120mm fans, or 6 x 140mm fans plus 1 x 120mm fan.
- Wraparound glass panels with a seamless edge provides an unobstructed view of the inside to highlight key components.
- Compact dual-chamber design improves overall thermal performance and creates a clean, uncrowded aesthetic.
- Includes three pre-installed 120mm fans positioned at an ideal angle for superb out-of-the-box cooling.
- The top and side panels feature an airflow-optimized perforation pattern to enhance overall performance and filter dust.
- An intuitive cable management system simplifies the build process by using wide channels and straps.
- Aluminum heat pipe cover discreetly hides copper piping
- 4 conductive copper heat pipes with Direct Contact technology allow for maximum thermal transfer from CPU to cooler
- Provides high static pressure, moving ample air through the radiator for excellent cooling
- Includes retention brackets and mounting accessories for both Intel and AMD motherboards
- Wraparound glass panels with a seamless edge provides an unobstructed view of the inside to highlight key components.
- Compact dual-chamber design improves overall thermal performance and creates a clean, uncrowded aesthetic.
- Includes three pre-installed 120mm RGB fans positioned at an ideal angle for optimal out-of-the-box cooling and vibrant RGB lighting.
- The top and side panels feature an airflow-optimized perforation pattern to enhance overall performance and filter dust.
- An intuitive cable management system simplifies the build process by using wide channels and straps.
- VIBRANT RGB LIGHTING: 20 LEDs across the inner and outer rings showcase custom lighting from any angle.
- BALANCED PERFORMANCE: Fan blade design balances airflow and static pressure for use in both intake or exhaust locations.
- SILENT AND DURABLE: The fluid dynamic bearing ensures the fan operates quietly and efficiently, providing long-lasting performance.
- PWM CONTROL: Fan speeds adjust according to your system’s demands. It cools quickly when necessary, but stays quiet at low loads to maximize efficiency.
- CUSTOMIZE WITH CAM: Personalize RGB lighting effects, control fan speeds, and sync with other NZXT products.
- Pump features an embedded 1.54” square LCD screen to display real-time system info or custom images
- Adjustable screen orientation accommodates pump head position
- Powerful Asetek pump provides optimal cooling and up to 2,800 RPM whisper-quiet operation
- Includes high-performance PWM fans with fluid dynamic bearings for optimal cooling
- Includes F140/F120 RGB Core fans
- Single breakout cable simplifies installation
- Rubber tubing is reinforced with nylon-braided sleeves to prevent leaks
- Control custom screen content, RGB, pump speed, and zero-noise fan curves with NZXT CAM software.
- Record video content at 1080 resolution with 60 frames per second from your console, mobile device, PC, or camera to share with your audience
- Play your console games in 4K60 while recording with zero-lag passthrough
- Get your stream picture-perfect by connecting directly with OBS, Streamlabs, or any other streaming software
- Works seamlessly with Skype, Zoom, Discord, or any other video calling software
- Record video content at 4K resolution with 30 frames per second from your console, mobile device, PC, or camera to share with your audience
- Play your games in high resolution and refresh rate while recording: 4K60 HDR, 1440p144Hz HDR, or 1080p240Hz HDR with zero-lag passthrough
- Get your stream picture-perfect by connecting directly with OBS, Streamlabs, or any other streaming software
- Works seamlessly with Skype, Zoom, Discord, or any other video calling software
- The Aer F performance fan is designed to maximize airflow through your build. Engineered to move air efficiently, it features a chamfered intake and exhaust for high volume airflow, and winglet-designed blades to reduce drag. The Aer F uses fluid dynamic bearing to provide silent operations, long-lasting durability, and powerful cooling performance with color customization.
- AER P120 120MM BLUE TRIM 2X
- Aer Trim 120: 118 x 118 x 9.5mm
- Material(s) : Plastic
- 2 Year Warranty
- Aluminum heat pipe cover discreetly hides copper piping
- 4 conductive copper heat pipes with Direct Contact technology allow for maximum thermal transfer from CPU to cooler
- Provides high static pressure, moving ample air through the radiator for excellent cooling, with some RGB flair
- Includes retention brackets and mounting accessories for both Intel and AMD motherboards
- 360mm Radiator
- 1.54” LCD Screen
- Powerful Asetek Pump
- 3x F120 RGB Core Fans
- RGB Controller
- NZXT CAM Software
- Matte White
- CLEAR VIEW: Seamless glass across the front and side panels gives your build the undivided attention it deserves. The glass top panel with a transparent radiator bracket further adds to the glass aesthetic.
- BUILT-IN RGB LIGHTING: Includes three dual-sided 120mm RGB fans with a RGB & Fan Controller for custom lighting and cooling.
- DUAL-CHAMBER DESIGN: Cables, storage, and PSU are separate from other components to maintain a clean look and maximize airflow to the GPU.
- SIMPLIFIED BUILDING: Spacious interior with intuitive cable management, a dedicated SSD wall panel, and removable top and side mounting brackets.
- ENORMOUSLY COOL: Supports radiators up to 360mm in the top, side, and bottom panels. Fits up to 10 x 120mm fans, or 6 x 140mm fans plus 1 x 120mm fan.














Everything packed well with bubble wrap.
The delivery date and tracking can be improved.Also the stock available had to be updated earlier rather after ordering the product and informing the product is out of stock is concering.
I didn’t know the transaction fee through credit card which should be displayed explicit rather than somewhere hidden.
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