NZXT H2 Flow (2026) / Lian Li LANCOOL II MESH Performance

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

Lian Li LANCOOL II MESH Performance: LANCOOL II MESH Performance (black; the Performance-X version adds USB-C). The LANCOOL II MESH RGB with RGB fans, the white colour and the glass-front LANCOOL II are separate versions; the LANCOOL III and 216 are different cases.

SpecificationNZXT H2 Flow (2026)Lian Li LANCOOL II MESH Performance
Release year20262020
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		2 × 140 mm PWM at the front (600–1200 rpm, 60.56 CFM, 25.8 dB(A)); 1 × 120 mm PWM at the rear (600–1500 rpm, 54.6 CFM, 26.1 dB(A))

PWM fans are 4-pin fans whose speed can be controlled by the motherboard or the case controller.

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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 NZXT3 × 3.5″/2.5″ in the cage; 2 × 2.5″ behind the motherboard tray; 2 × 2.5″ behind the right flip panel; 2 × 2.5″ above the PSU chamber

There is room for up to 9 drives; the drive cage slides on a rail without tools.

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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		—
Case type and motherboard—Mid-tower; E-ATX (under 280 mm wide), ATX, Micro-ATX, Mini-ITX Lian Li
Dimensions—478 × 229 × 494 mm (D × W × H) Lian Li
Materials—Steel; 4 mm tempered glass on both sides

The glass panels and PSU covers are hinged doors that close with magnets; the cable-side glass comes with covers that hide the cables.

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Fan support—Front: 2 × 140 mm or 3 × 120 mm; top: 2 × 120 mm or 2 × 140 mm; top of PSU chamber: 2 × 120 mm

The built-in hub supports up to six 3- or 4-pin fans; the four-mode button selects fan speed.

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Radiator—Front (multi-way bracket): 360/280/240 mm; top: 240 mm (aligned to the left)

The multi-way bracket places a radiator closer to the motherboard or the front panel; Lian Li warns not to mount a 140/280 mm radiator on the inner side of the bracket.

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Component clearances—Graphics card 384 mm; CPU cooler 176 mm; PSU 210 mm; 7 expansion slots Lian Li
Front I/O—2 × USB 3.0; 1 × USB 3.1 Type-C; TRRS audio jack; fan speed button

The USB-C port is on the Performance-X version; other versions add it with a separately sold kit.

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Dust filters—Magnetic top filter, tray-type bottom filter

No separate dust filter is listed for the mesh front panel.

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Optional kits—Vertical GPU kit (PCIe 3.0 riser); hot-swappable back plate; anti-sag GPU bracket

When using the PCIe 3.0 riser with a PCIe 4.0 motherboard and graphics card, the slot must be set to Gen 3 in the BIOS.

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