Product Description

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.

 

Tech Specs

Dimensions

Height

435 mm (17.1 in)

Width

181 mm (7.1 in)

Depth

263 mm (10.4 in)

Weight

4.55 kg (10.03 lb)

Volume

20.7 L

General

Enclosure Type

Small Form Factor Case

Motherboard Compatibility

Mini-ITX

Rear-Connecting Motherboard Support (BTF, Project Zero)

No

Power Supply Type

SFX, SFX-L

Materials

Steel, tempered glass

Fan Support

Total Fan Mounts

4 x 120 mm / 2 x 140 mm

Front

2 x 120 mm / 2 x 140 mm

Top

2 x 120 mm

Radiator Support

Front

Up to 280 mm

Clearance

CPU Cooler Height

Up to 75 mm

GPU Length

Up to 331 mm

GPU Thickness

Up to 65 mm

GPU Width

Up to 150 mm

PSU Length

Up to 130 mm

Front Radiator + Fan Thickness

Up to 60 mm

Panels

Front

Steel (mesh)

Right Side

Steel (solid and mesh)

Left Side

Tempered glass and mesh panel

Front I/O

USB 3.2 Type-A

2

USB 3.2 Gen2x2 Type-C

1

Headset Jack

1

Expansion Slots

Standard-Vertical

3

Drive Bays

2.5"

2 (Up to 8.5 mm)

3.5"

-

Cable Management

Fixed Velcro Straps

Yes

Included Zip Ties

Yes

Riser Cable

Compatibility

PCIe Gen 5.0 x16

Length

260 mm

Fan Specs

Model

F120Q (Case Version)

Quantity

2

Speed

1,350 ± 150 RPM

Airflow

60.2 CFM

Static Pressure

1.05 mmH2O

Noise

24.1 dBA

Fan Connector

3-pin

Product Info

Warranty

2 Years

Model Number

CI-H21FB-01

UPC

810074848404

EAN

5056547208800

Other Available Options

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NZXT H6 Flow White Compact Dual-Chamber 3xF120Q Airflow fans ATX Mid-Tower Case (CC-H61FW-01)

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NZXT H7 Flow (2024) Black ATX Mid-Tower Case (CM-H72FB-01)

NZXT H7 Flow (2024) Black ATX Mid-Tower Case (CM-H72FB-01)

SKU: CM-H72FB-01 Out of Stock
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NZXT H7 Flow RGB Black ATX Mid-Tower Case (CM-H72FB-R1)

NZXT H7 Flow RGB Black ATX Mid-Tower Case (CM-H72FB-R1)

SKU: CM-H72FB-R1 In Stock
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NZXT H7 Flow (2024) White ATX Mid-Tower Case (CM-H72FW-01)

NZXT H7 Flow (2024) White ATX Mid-Tower Case (CM-H72FW-01)

SKU: CM-H72FW-01 Out of Stock
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NZXT H7 Flow RGB White ATX Mid-Tower Case (CM-H71FW-R1)

NZXT H7 Flow RGB White ATX Mid-Tower Case (CM-H71FW-R1)

SKU: CM-H71FW-R1 Out of Stock
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SKU: CM-H71EB-02 Out of Stock
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NZXT H9 Flow Black Dual-Chamber ATX Mid-Tower Case (CM-H92FB-01)

NZXT H9 Flow Black Dual-Chamber ATX Mid-Tower Case (CM-H92FB-01)

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NZXT H9 Flow White Dual-Chamber ATX Mid-Tower Case (CM-H92FB-01)

NZXT H9 Flow White Dual-Chamber ATX Mid-Tower Case (CM-H92FB-01)

SKU: CM-H92FW-01 Out of Stock
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NZXT H9 Elite White TG 3xRGB FAN+1xAirflow Fan Dual-Chamber ATX Mid-Tower Case (CM-H91EW-01)

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In accordance with Quebec's Bill 29, our company and its affiliated partners expressly declare that we cannot guarantee the availability of spare parts, repair services, or the necessary information for the maintenance or repair of our products. For any questions regarding availability, please consult the manufacturer's website(s) directly. Learn more