NZXT H3 Flow PC case micro ATX, tempered glass, USB-C, Black
NZXT

NZXT H3 Flow PC case micro ATX, tempered glass, USB-C, Black

The NZXT H3 Flow is a black compact PC case for micro ATX and Mini-ITX boards, with fine metal mesh on the front, top and one side and tempered glass on the other. Despite its modest size it fits a full-length graphics card and up to seven fans.

  • Motherboards: micro ATX, Mini-ITX; back-connect ASUS BTF and MSI Project Zero boards also fit
  • Clearance: graphics card up to 377 mm (352 mm with front fans), CPU cooler up to 170 mm, power supply up to 185 mm
  • Radiators: front up to 280 mm, top up to 240 mm
  • Fans: 1 × 120 mm F120Q (3-pin) rear included
  • Front I/O: USB-C (USB 3.2 Gen 2x2), USB-A (USB 3.2 Gen 1), combo audio jack
  • Chassis: 225 × 389 × 400 mm, 4.8 kg, 4 expansion slots

Description

Mesh panels that let the air through

Fine mesh on the front, top and side lets air in freely while catching dust. Seven fans fit in total: two 120/140 mm in the front, two on top, two on the bottom and one at the rear. A ventilated PSU shroud feeds air from the bottom fans straight to the graphics card. Panels come off without tools.

Who this PC case is for

Gamers building in a compact micro ATX case who do not want to give up a large graphics card or liquid cooling. Support for back-connect motherboards makes it easy to hide the cables completely.

Specifications

General

BrandNZXT
Form factorMidi Tower
Model nameH3 Flow
Product colourBlack
MaterialMesh/SGCC/Tempered glass
TypePC
Side windowYes
Cable managementYes
Maximum PSU length185
Number of 2.5" bays3
Number of 3.5" bays1
Rear fans installed1x 120 mm
Number of expansion slots4
EAN5056547207988

Display

Tempered glass panel(s)Yes

Processor

Maximum CPU cooler height170

Storage

Supported HDD sizes2.5/3.5

Graphics

Maximum graphics card length377

Ports

Combo headphone/mic portYes
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity1
USB 3.2 Gen 2x2 Type-C ports quantity1

Battery & power

Number of power supply units1

Features

Top fans diameters supported120/140
Top radiator sizes supported240
Rear fans diameters supported120
Front fans diameters supported120/140
Front radiator sizes supported280
Bottom fans diameters supported120
Number of top fans supported (max)2
Supported motherboard form factorsmicro ATX/Mini-ITX
Number of rear fans supported (max)1
Number of front fans supported (max)2
Number of bottom fans supported (max)2

Dimensions & weight

Width225 mm
Depth389 mm
Height400 mm
Weight4.8 kg

Questions & answers

How long a graphics card fits?

Up to 377 mm without front fans, 352 mm with front fans, and 317 mm with both front fans and a radiator.

Is a power supply included?

No. The case takes a power supply up to 185 mm long.

Does a standard ATX motherboard fit?

No, the H3 Flow is designed for micro ATX and Mini-ITX boards. Full-size ATX needs a larger case.