NZXT H3 Flow (2025) Micro-ATX case, white (CC-H31FW-01)

NZXT H3 Flow (2025) is a white mid-tower case suitable for micro ATX and Mini-ITX motherboards. It offers versatile cooling options and space for components of various sizes, including displays and power supplies. The side of the case features a tempered glass panel to reveal internal components. The case also features a powerful cable management system that makes it easy to build a neat and functional system.

Cooling and ventilation

H3 Flow supports multiple fan positions: the front can accommodate two 120 or 140 mm fans, the top and bottom two 120 mm fans, and the rear has one 120 mm fan pre-installed. In addition, the case supports up to a 280 mm front cooling fan and a 240 mm top cooling fan, allowing for efficient liquid cooling installation.

Component space

The case has four expansion slots and space for a graphics card up to 37.7 cm in length. The maximum length of the power supply is 18.5 cm, and the CPU cooler can be up to 17 cm high. For hard drives, there is one 3.25" drive bay and three 2.5" bays that support both SSDs and traditional hard drives.

Usability and connectivity

The front panel of the case features a USB 3.2 Gen 2x2 Type-C port and a USB 3.2 Type-A port for fast data transfer. There is also a headphone and microphone combo port. Cable management features are enhanced, making it easy to build a neat and functional system.

Material and construction

The H3 Flow is made of mesh, SGCC steel, and tempered glass. The enclosure structure is designed to support efficient air circulation and easy component installation. The case weighs 4.8 kg and measures 225 mm wide, 389 mm deep, and 400 mm high.

Summary

The NZXT H3 Flow provides space and cooling for a mid-range gaming PC or workstation that requires a clean design and good connectivity. It's ideal for the user who appreciates functional ventilation and a clean look without the fuss.

Features

• Case type: midi tower
• Compatible motherboards: micro ATX, mini-ITX
• Color: white
• Materials: Mesh, SGCC steel, tempered glass
• Expansion Slots: 4
• 3.25" Slots: 1
• 2.5" Slots: 3
• CPU Cooler Maximum Height: 17 cm
• Max: 37.7 cm
• Maximum power supply length: 18.5 cm
• Number of power supplies: 1
• Maximum number of power fans: 2 (120/140 mm)
• Rear fans: 1 x 120 mm (installed)
• Maximum number of top fans: 2 (120/140 mm)
• Maximum number of rear fans: 2 (120 mm)
• Supported radiator sizes: front 280 mm, top 240 mm
• Front panel connections: 1 x USB 3.2 Gen 2x2 Type-C, 1 x USB 3.2 Type-A
• Headphone/microphone combo port
• Side window: tempered glass
• Product dimensions (W x D x H): 225 x 389 x 400 mm
• Weight: 4.8 kg