Lian Li A3-mATX / Lian Li LANCOOL III (black, LANCOOL 3-X)

Lian Li A3-mATX: A3-mATX steel case in black or white (A3-mATX BLACK / WHITE). The Wood Edition with a wooden front (A3-mATX-WD) and the Glass Edition with 3 mm tempered glass (A3-mATX-WDG) share the interior layout but differ in materials and dust filter arrangement; the later B4-mATX is a separate 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.

SpecificationLian Li A3-mATXLian Li LANCOOL III (black, LANCOOL 3-X)
Release year20242022
Case type and volumeMFF (Micro Form Factor); 26.3 L Lian Li—
Dimensions443 × 194 × 321.5 mm (D × W × H); 306 mm tall without feet Lian Li526 × 238 × 523 mm (D × W × H) Lian Li
MaterialSteel; side and top panels in steel mesh

The Wood Edition has a wooden front panel, and the Glass Edition adds 3 mm tempered glass.

Lian Li		—
MotherboardM-ATX and ITX; 4 expansion slots Lian Li—
Graphics cardUp to 415 mm long, 4 slots thick

According to Lian Li, a 25 mm bottom fan limits card thickness to 61 mm (3 slots); a bottom radiator plus fan leaves no room for a graphics card. An anti-sag GPU bracket is included; vertical mounting needs a separately sold kit.

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CPU coolerUp to 165 mm tall Lian Li—
Power supplyATX / SFX / SFX-L up to 220 mm; side or front mounting

The relocatable bracket lets the power supply move to suit graphics card length; an ATX unit can also be mounted at the front on the SSD bracket.

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Fan supportTop: 3 × 120 mm; side: 3 × 120 mm or 2 × 140 mm; bottom: 3 × 120 mm; rear: 1 × 120 mm

The case ships without fans; they must be bought separately.

Lian Li		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 supportTop: 360/240 mm; side: 360/280/240 mm; bottom: 240 mm (360 mm with fan at the bottom) Lian LiFront 360/420 mm, top 360/420 mm, above the PSU shroud 360 mm Lian Li
Drive supportTray: 2 × 2.5" SSD; bottom: 1 × 2.5" SSD or 1 × 3.5" HDD Lian Li—
Front I/OPower button, 2 × USB 3.0 Type-A, 1 × USB 3.1 Type-C, mic, HD audio Lian LiPower, reset, 2 × USB 3.0, 1 × USB Type-C, audio Lian Li
Dust filter and warrantyRemovable bottom dust filter; 1-year warranty Lian Li1 bottom dust filter; 1-year warranty 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
Included fans—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
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