NZXT H2 Flow (2026) / Lian Li LANCOOL III (black, LANCOOL 3-X)

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

Lian Li LANCOOL III (black, LANCOOL 3-X): LANCOOL 3-X: black version with four 140 mm PWM fans. The white LANCOOL 3-W and the ARGB-fan 3R-X and 3R-W are colour and fan options of the same case; the LANCOOL 207 and 216 are separate cases.

SpecificationNZXT H2 Flow (2026)Lian Li LANCOOL III (black, LANCOOL 3-X)
Release year20262022
Model year2026 NZXT—
Dimensions and volume435 × 181 × 263 mm (height × width × depth); 20.7 L NZXT—
Weight4.55 kg; empty case NZXT—
ConstructionSteel; hybrid tempered-glass and mesh side panel NZXT—
MotherboardMini-ITX; no back-connect motherboard support NZXT—
Power supplySFX / SFX-L; up to 130 mm long

Not designed for an ATX power supply.

NZXT		—
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		3 × 140 mm PWM at the front, 1 × 140 mm PWM at the rear; 200–1800 rpm, 83.5 CFM, 33 dB(A)

On the ARGB-fan 3R versions the fan speed is 300–1650 rpm.

Lian Li
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		—
Dimensions—526 × 238 × 523 mm (D × W × H) Lian Li
Motherboard and power supply—E-ATX (under 280 mm wide), ATX, Micro-ATX, Mini-ITX; ATX power supply up to 220 mm Lian Li
Materials—0.8 mm SGCC steel; 4 mm tempered glass on both sides; aluminium door handles

The side glass panels are hinged and open like doors.

Lian Li
Fan support—Front 3 × 120/140 mm, top 3 × 120/140 mm, rear 1 × 120/140 mm, above the PSU shroud 3 × 120 mm Lian Li
Radiator support—Front 360/420 mm, top 360/420 mm, above the PSU shroud 360 mm Lian Li
Component clearances—Graphics card up to 435 mm; CPU cooler up to 187 mm Lian Li
Storage—2 + 3 + 3 × 2.5-inch bays and a 4 × 3.5/2.5-inch drive cage Lian Li
Expansion slots—8 Lian Li
Front I/O—Power, reset, 2 × USB 3.0, 1 × USB Type-C, audio Lian Li
Dust filter and warranty—1 bottom dust filter; 1-year warranty Lian Li