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H2 Flow
H2 Flow
H2 Flow
H2 Flow
H2 Flow
H2 Flow
H2 Flow
H2 Flow
H2 Flow
H2 Flow
H2 Flow
H2 Flow
H2 Flow
H2 Flow
H2 Flow
H2 Flow
H2 Flow
H2 Flow
H2 Flow

H2 Flow

Mini-ITX Airflow Case

5.0
Rated 5.0 out of 5 stars
5.0 Stars (3 Reviews)
Size
H2 Flow
Color
White Black
Where to Buy

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Cancel and return anytime with no fees. This option provides maximum flexibility with no long-term obligations.

Prepaid Terms

Prepay for a multi-month term (3, 6, 12 months) and lock in a lower effective monthly rate.

When your term ends, you have simple options:

1

Month-to-Month: By default, your subscription automatically converts to the month to month rate requiring no action from you.

2

Prepay Again: Alternatively, you can choose to prepay for another 3, 6, or 12 month term.

3

End Subscription: Cancel and return with no fees.

Overview

The H2 Flow is a mighty, compact vertical mini-ITX case designed to save space while showcasing top-tier components. Smart cable management, tool-less access, dual top fans, and a premium PCIe 5.0 riser cable make the building experience fast and simple.

  • Liquid Cooling Support: Handles up to a 280 mm radiator, ensuring lower temperatures so system performance consistently thrives.
  • 331 mm GPU Capacity: Fits modern graphics cards with ease, delivering top-tier power in a clean, compact 20.7 L footprint.
  • Ultra-Fine Mesh Panels: Mesh on all sides maximizes air intake while filtering dust, keeping core components clear and running optimally.
  • Hybrid Glass-and-Mesh Side: Unique two-piece panel features tempered glass and mesh, displaying the build without compromising thermal efficiency.
  • Two F120Q CV (3-pin DC) Fans Included: Two pre-installed 120 mm fans on the top deliver convenient and immediate exhaust.
  • Tool-Less Access Panels: Panels pop off without tools, making every upgrade, cleaning session, or adjustment quick and completely seamless.
  • Integrated Cable Routing: Built-in routing points and included Velcro straps simplify organization, leading to a much tidier look and superior internal airflow.
  • PCIe 5.0 Riser Cable: A premium riser cable is included, making vertical GPU mounting easy while providing reliable, lightning-fast bandwidth.

Mighty View. Mini Case.

The H2 Flow redefines compact power by visualizing it, packing high-end components and liquid cooling support into a sleek vertical design that frees your desk space. Every detail is engineered to simplify your build and keep your system cool and quiet.

Compact Size, Full Power

The 20.7 L vertical layout saves desk space, fitting full-power features in a footprint smaller than a standard sheet of paper.

Two F120Q Fans

Get convenient, quiet airflow with two F120Q CV (3-pin DC) 120 mm fans pre-mounted and ready to work on the top panel.

PCIe 5.0 Riser Cable

An included premium PCIe 5.0 riser cable ensures clean GPU mounting while providing reliable, lightning-fast bandwidth.

Cooling, in Full View

Supports up to a 280 mm radiator, showcasing LCD coolers through a hybrid glass-and-mesh panel.

Spacious GPU Support

Accommodating graphics cards up to 331 mm, it delivers strong performance and steady high frame rates, all while maintaining efficient airflow and room to spare.

High-Airflow Panels

Ultra-fine mesh ensures steady airflow while keeping dust out for smooth, reliable performance.

Effortless Building

Building and maintenance are made simple with tool-less panels and smart wire management interior.
Tech Specs
Enclosure Type
Small form factor case
Motherboard Support
Mini-ITX
Rear-Connecting Motherboard Support
No
Power Supply Type
SFX, SFX-L
Materials
Steel, tempered glass
Dimensions (H x W x D)
433.6 x 181 x 263 mm (17.1 x 7.1 x 10.4 in)
Volume
20.7 L
Weight
4.55 kg (10.0 lb)
CPU Cooler Height
Up to 75 mm (3 in)
GPU Length
Up to 331 mm (13 in)
GPU Thickness
Up to 65 mm (2.6 in)
GPU Width
Up to 150 mm (5.9 in)
PSU Length
Up to 130 mm (5.1 in)
Front Radiator + Fan Thickness
Up to 60 mm (2.4 in)
USB 3.2 Type-A
2
USB 3.2 Gen 2x2 Type-C
1
Headset Jack
1
Expansion Slots
3 (vertical)
2.5" Drive Bays
2 (Up to 8.5 mm)
3.5" Drive Bays
0
Front Fans
2 x 120 mm / 2 x 140 mm
Top Fans
2 x 120 mm
Front Radiator
Up to 280 mm
Model
F120Q (Case Version)
Quantity
2
Speed
1,350 ± 150 RPM
Airflow
60.2 CFM
Static Pressure
1.05 mmH₂O
Noise Level
24.1 dBA
Fan Connector
3-pin
Fixed Velcro Straps
Yes
Included Zip Ties
Yes
Compatibility
PCIe Gen 5.0 x16
Length
260 mm
Warranty
2 years
Model Number
CI-H21FW-01 (White) / CI-H21FB-01 (Black)
UPC
810074848398 (White) / 810074848404 (Black)
EAN
5056547208794 (White) / 5056547208800 (Black)
5.0
Rated 5.0 out of 5 stars
Based on 3 reviews
100%would recommend this product
Total 5 star reviews: 3 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
3 reviews
  • LL
    leeann l.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    5 days ago
    NZXT FLOW H2

    Came in just like I ordered.

    Now if they could just make a NZXT ITX motherboard that would work in it :)

    I also need a 280MM black radiator back in Stock.

    Was this helpful?
  • KF
    Kauê f. p.
    I recommend this product
    Product Standouts Design
    Rated 5 out of 5 stars
    1 month ago
    Kaue

    O PC e muito lindo gostei muito eu QR um desse

    Was this helpful?
    N Profile picture for NZXT
    NZXT
    4 weeks ago

    Oi Kauê,

    Muito obrigado pela sua avaliação incrível! Ficamos super felizes em saber que você gostou tanto do H2 Flow e achou ele lindo. É ótimo ver que o design chamou sua atenção!

    Esperamos que você tenha uma experiência fantástica com seu novo setup. Obrigado por escolher a NZXT!

  • LO
    Luis O.
    Verified Buyer
    I recommend this product
    Product Standouts Great Quality, Value for Money, Performance, Graphics, Ease of use
    Rated 5 out of 5 stars
    2 months ago
    My new favorite Case built

    Love at 1st sight, I know it sound cheesy, but it's the truth. I couldn't wait to get my hand on this and upgrade my computer. I used to have the H1, and it was one of my favorite builds—until the H2 came out. Now, this is my new favorite.

    At first glance, the case is beautiful, slick, and modern with an update look from the H1. I had to wait to start the built since I order a new GPU and PSU, but as soon it was delivered, I started the built. It had plenty of room in spots and a bit snug in other parts. I still had a blast on the built and using the Kraken Plus 280 on my new built, only complemented it.

    Everything was easy to fallow on the built, the only thing I struggle was on the two spots for the SSD 2.5 slot. They were very closed to each other, so when it came to plugging them with the power and Sata connection it was very challenging. I had to bend the power cable so they can be closer to each other in order to plug them in. Maybe if there space out a bit more, they were very snug to the bottom of the case.

    I enjoy the extra slots for zip tied for cable management, but the Velcro were hard to grab at times, maybe if they had a ring on one side you can loop it and pull to Velcro it together instead of overlapping, other than that I love the case especially split on glass and mesh.

    It's wonderful to know that the case is design to grow with the user in time, meaning I can upgrade it knowing that theirs more room to work with. Way to go NZXT Team.

    Was this helpful?

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