NZXT H2 Flow (2026) / Fractal Design Terra

NZXT H2 Flow (2026): CI-H21FB-01 · black; Mini-ITX case

Fractal Design Terra: FD-C-TER1N-01 Graphite, -02 Silver, -03 Jade; colours share the same size and layout

SpecificationNZXT H2 Flow (2026)Fractal Design Terra
Release year20262023
Model year2026 NZXT—
Dimensions and volume435 × 181 × 263 mm (height × width × depth); 20.7 L NZXT—
Weight4.55 kg; empty case NZXT3.1 kg net Fractal Design
ConstructionSteel; hybrid tempered-glass and mesh side panel NZXT—
MotherboardMini-ITX; no back-connect motherboard support NZXTMini-ITX only Fractal Design
Power supplySFX / SFX-L; up to 130 mm long

Not designed for an ATX power supply.

NZXT		SFX or SFX-L, up to 130 mm Fractal Design
Graphics card clearanceUp to 331 mm long, 65 mm thick and 150 mm wide NZXT—
Combined GPU and radiator fitFront AIO tube covers, fittings and cables can reduce available GPU width

Being shorter than 331 mm does not alone guarantee compatibility.

NZXT		—
CPU air cooler75 mm maximum height

NZXT's product guidance also calls for at least 10 mm between the cooler and glass.

NZXT		—
Front radiatorUp to 280 mm; combined radiator and fan thickness up to 60 mm NZXT—
Fan mountsFront: 2 × 120 or 2 × 140 mm; top: 2 × 120 mm NZXT—
Included fansTop: 2 × 120 mm F120Q Case Version exhaust fans; 3-pin DC

Not PWM fans or a guarantee of whole-system silence.

NZXT		—
Front connections2 × USB 3.2 Type-A; 1 × USB-C 3.2 Gen 2×2; headset jack NZXT—
Drive bays2 × 2.5-inch, up to 8.5 mm thick; no 3.5-inch bays NZXT—
Expansion and riser3 vertical slots; included 260 mm PCIe 5.0 ×16 riser

Three slots of width do not mean three separate PCIe connections.

NZXT		—
Volume and size—10.4 L (without feet); 343 × 153 × 218 mm (with feet)

Volume by external dimensions is 11.4 L.

Fractal Design
Materials—Anodised aluminium panels, 8 mm aluminium front; FSC-certified solid walnut front panel Fractal Design
Movable spine—Adjustable spine that shares space between the graphics card and CPU cooler

Moving the spine towards the graphics card fits a taller cooler, and towards the cooler fits a thicker card; both cannot be at their largest at once.

Fractal Design
Graphics card—Up to 322 mm long; for cards under 131 mm tall, 72 mm thick in Max GPU mode or 43 mm in Max CPU mode

For cards 131–145 mm tall the thickness limit drops to 62/33 mm. Fractal’s FAQ gives different width figures, so check the manual before buying.

Fractal Design
CPU cooler—48 mm tall in Max GPU mode, 77 mm in Max CPU mode Fractal Design
Radiator and fans—1 × 120 mm side radiator; 1 × 120 mm bottom fan mount; no fans included

The side radiator requires a graphics card no longer than 200 mm and no SSDs installed.

Fractal Design
Front I/O—1 × USB-C 20 Gbps (USB 3.2 Gen 2x2), 1 × USB-A 5 Gbps, power button

The 20 Gbps speed needs a USB 3.2 Gen 2x2 header on the motherboard. There is no front audio jack.

Fractal Design
In the box—PCIe 4.0 riser cable, 2 × 2.5-inch SSD mounts Fractal Design
Expansion slots—3 in Max GPU mode, 2 in Max CPU mode Fractal Design
Panels—Ventilated top, side and bottom panels; tool-less push-to-lock

The panels can also be secured with screws if desired.

Fractal Design
Warranty—2 years Fractal Design