NZXT H400i Micro-ATX Computer Case (Matte White) | CA-H400W-WB


The H400i showcases NZXT’s vision for modern PC building. This premium micro-ATX case features a unique CAM-powered Smart Device that digitally drives RGB lighting and fan performance. You can effortlessly control RGB lighting and fans, while Adaptive Noise Reduction optimizes your build’s acoustics through machine learning and ideal fan settings. Includes three integrated Aer F fans and two RGB LED to enhance the aesthetics of your build as seen through the H400i’s stunning tempered glass panel.


CAM Powered Smart Device to simplify installation and manage use of RGB lighting and fans

Premium, all-steel construction with the sleek H-series design; available in four color combinations

Tempered glass panel showcases custom RGB lighting

System installation and expansion made easy with all-new cable management system

Water-cooling installation simplified for both AIO and custom loop

Adaptive Noise Reduction optimizes cooling and noise balance for best gaming comfort

Model Number



SECC Steel and Tempered Glass

Motherboard Support

mini-ITX and microATX

I/O Ports

2 x USB 3.1 Gen 1

1 x Audio/Mic


Front, Top, and PSU Intake

Smart Device

3 x Fan channels with Max 10W per channel output*

1 x RGB LED port support up to 4 x HUE+ LED strips or 5 x Aer RGB fans

Built-in noise detection module

*Note: If a splitter is used, fan control is regulated depending on the fan connected to the 4-pin port. Do not use low-noise adapters.

Expansion Slots


Drive Bays

2.5”: 3+1

3.5”: 1

Radiator Support

Front:2 x 140 or 2 x 120mm with Push/Pull

Rear:1 x 120

Fan Support

Front:2 x 120/2 x 140mm (2 Aer F120 Case Version included)

Top:2 x 120/2 x 140mm

Rear:1 x 120mm (1 Aer F120 Case Version included)

Fan Specs

Aer F120 (Case Version)

Speed:1200 + 200 RPM


CFM Noise:28 dBA

Bearing:Rifle Bearing


Cable Management:18-22mm

GPU Clearance:Up to 411mm

CPU Cooler:Up to 164mm

Front Radiator: 60mm

System Requirements

PC with open internal USB 2.0 port and Windows 10 operating system recommended. Internet connection is needed to download CAM.

Some CAM features require Internet access, a valid email address and acceptance of our current Terms of Service.


W:210mmH:393mmD:421mm (without feet)

W:210mmH:417mmD:421mm (with feet)


7.6 kg

10 in stock

SKU: CA-H400W-WB Categories: ,

Additional information

Weight 7.6 kg
Dimensions 150 × 150 × 10 cm


Model No.

CA-H400W-WB / #19612


7.60 Kg


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