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NZXT H9 Flow Black Mid tower case with tempered glass side window
PC cases
Review NZXT H9 Flow Black
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NZXT H9 Flow Black

Mid tower case with tempered glass side window

Last price 169€95
Holy Moly!
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  • Overview

  • Specifications

  • Customer reviews

Overview

NZXT H9 Flow: Dual Chamber Mid Tower Case

The NZXT H9 Flow mid-tower case is designed to accommodate and cool the most powerful graphics cards with its extensive heat dissipation capabilities through its support for ten fans and multiple watercooling mounting options. Its perforated top panel further optimises cooling, and its tempered glass design offers a unique panoramic view of your system.

Key features

  • Perforated top panel for better cooling
  • Intuitive cable management system with wide cable channels, bridges and Velcro straps
  • Tool-free access to front and side panels
  • Removable SSD wall
  • Watercooling support up to 360 mm(front and top)
  • Includes 4 quiet F120Q fans
  • Dual chamber design separates components from cables, memory and power
  • Two USB 3.0 ports and one USB-C 3.1 port
Specifications
Select your criteria

General information

Product name

 NZXT H9 Flow Black

Brand

 NZXT

Model

 CM-H91FB-01

Main characteristics

Graphic card max. length

 435 mm

Max height CPU fan

 165 mm

Power supply max. length

 200 mm

Power format

 ATX/EPS

Case format

 Mid tower

Use

 Gamer

Material

 Steel
Tempered glass

Motherboard format

 ATX
Micro ATX
Mini ITX

Power supply supplied

 No

Design

Screwless fixing system

 No

Case color

 Black

Front color

 Black

Dust filters

 2

Integrated display

 No

Mesh front

 No

Glass

 Yes

Tempered glass

 Yes

Fish tank (panoramic view)

 Yes

LED RGB

 No

ARGB LED

 No

Water cooling compatible

 Yes

Motherboard connector location

 Standard connectors (on the motherboard)

Expansion slots

Number of PCI slots

 7

Low profile

 No

Number of visible 3.5" slots

 0

Number of invisible 3.5" slots

 2

Number of 2.5" slots

 4

Number of 2.5"/3.5" slots

 0

Number of visible 5.25" slots

 0

Number of Slot-in slim 5.25'' slots

 0

Number of Slim 5.25'' slots

 0

Front connectivity

Location of expansion ports

 Top

Connector(s) available

 1 X USB 3.1 Type C
2 X USB 3.0
1 X Headphone (3.5mm Jack Female)

Cooling

Fan(s) included

 Yes

Number of rear fan(s) slots

 1 X 120mm

Quantity of rear fan(s) supplied

 1

Number of front fan(s) slots

 3 X 120mm

Quantity of front fan(s) supplied

 3

Number of above fan(s) slots

 2 X 140mm
3 X 120mm

Quantity of above fan(s) supplied

 0

Number of underneath fan(s) slots

 3 X 120mm
2 X 140mm

Quantity of underneath fan(s) supplied

 0

Water cooling

AIO radiator compatibility

 120mm radiator
240mm radiator
280mm radiator
360mm radiator
140mm radiator

Front AIO slot(s)

 240mm radiator
360mm radiator
120mm radiator

Above AIO slot(s)

 240mm radiator
280mm radiator
360mm radiator
120mm radiator
140mm radiator

Rear AIO slot(s)

 120mm radiator

Physical characteristics

Width

 290 mm

Height

 495 mm

Depth

 466 mm

Weight

 12.1 kg

Warranties

Commercial warranty
Seller 2 years

Legal warranty
See terms & conditions

Safety Information

Responsible person

 NZXT Europe GmbH

Postal address

 32 Ammerthalstrasse Kirchheim Bei Munchen 85551 Bayern Germany

Electronic Address

 support_eu@nzxt.com

See all NZXT products

See NZXT PC cases section

Product referenced on 12 Jan 2023

Customer reviews
Global rating
10/10
based on 10 reviews Editorial and moderation guide
  • 100%
    10 reviews
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  • by Begone
    Posted on 17 Dec 2025
    Bought on 11 Dec 2025 from LDLC
    Number of reviews: 10 Average rating: 10

    NZXT H9 Flow White case, extremely well designed

    I have no complaints about this NZXT H9 Flow White case. It is by far one of the best-designed cases I have had so far.
    It offers numerous openings for optimal airflow, plenty of space inside, and the possibility of adding at least three additional fans (not counting the 360 mm water cooling).
    The cable management is simply excellent, truly top-notch.
    I highly recommend it. The four fans provided are very good quality: they cool extremely well and remain completely silent.

    Model: NZXT H9 Flow White
    Review automatically translated
  • by Nadaa
    Posted on 28 Oct 2025
    Bought on 22 Sep 2025 from LDLC
    Number of reviews: 2 Average rating: 10

    Fast shipping

    Order confirmation and fast shipping
    Delivery with care
    I would recommend
    ......................,,,,,,,,,,,,,,,,,,,,,,???

    Model: NZXT H9 Flow White
    Review automatically translated
  • by YoanW
    Posted on 21 Oct 2025
    Bought on 23 Sep 2025 from LDLC
    Number of reviews: 9 Average rating: 10

    Very aesthetic

    Very well advised by the seller, aesthetic box at a very very correct price. I am delighted with my purchase.

    Model: NZXT H9 Flow Black
    Review automatically translated
  • by Vincent M
    Posted on 6 Jun 2024
    Bought on 29 Apr 2024 from LDLC
    Number of reviews: 1 Average rating: 10

    Top quality

    Exceptional quality, very well thought out and very well laid out.
    So it's true that all the tests rave about it, but I wanted to find out for myself.
    This camera is indeed a marvel and well worth the price in many respects.
    A real gem!

    Model: NZXT H9 Flow Black
    Review automatically translated
  • by Jason667
    Posted on 22 Feb 2024
    Bought on 27 Dec 2023 from LDLC
    Number of reviews: 2 Average rating: 7

    perfect

    The tower is magnificent! I'm more than happy with my purchase.
    It looks like an aquarium, a well-protected item.

    Model: NZXT H9 Flow White
    Review automatically translated
  • by Alexandre B
    Posted on 8 Jan 2024
    Bought on 20 Jun 2023 from LDLC
    Number of reviews: 6 Average rating: 10

    A nugget

    The case is just great! The ventilation is great, and the design is just incredible. I'm a fan

    Model: NZXT H9 Flow White
    Review automatically translated
  • by RemyD
    Posted on 11 Dec 2023
    Bought on 12 Nov 2023 from LDLC
    Number of reviews: 1 Average rating: 10

    Incredible case

    Very good case, quality air flow!
    Perfect value for money
    I'd recommend it to anyone who wants a compact tower with a big configuration!

    Model: NZXT H9 Flow Black
    Review automatically translated
  • by Nico V
    Posted on 15 Oct 2023
    Bought on 1 Mar 2023 from LDLC
    Number of reviews: 22 Average rating: 10

    At the top!

    What can I say about this magnificent camera other than positive things? Everything is extremely well thought out. Everything is filtered, even the side door on the back of the motherboard. You've got an insane amount of space and it's great to look at. Passing friends have remarked to me about it, even though it's not their area of expertise.

    Model: NZXT H9 Flow White
    Review automatically translated
  • by LoicD
    Posted on 9 Oct 2023
    Bought on 9 Sep 2023 from LDLC
    Number of reviews: 2 Average rating: 10

    Huge case

    I recommend this case for large configurations because its dual compartment, one for cables and the other for components, means that the case is large and really well ventilated!

    Model: NZXT H9 Flow White
    Review automatically translated
  • by AmandineM
    Posted on 25 Jul 2023
    Bought on 20 Jul 2023 from LDLC
    Number of reviews: 2 Average rating: 10

    Nzxt

    Colis reçu, et franchement ses vraiment du haut de game il y a rien à dire de l'emballage à la petit vise pour les carte mère ou ssd .... Very nice case and quality materials thank you ldlc for this irreproachable material

    Model: NZXT H9 Flow Black
    Review automatically translated

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