Lian Li A3-mATX / Lian Li LANCOOL 207

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 207: LAN207RX black and LAN207RW white; four-fan ATX mid tower. The LANCOOL 207 Digital with a screen and the LANCOOL 216/217 are separate models.

SpecificationLian Li A3-mATXLian Li LANCOOL 207
Release year20242024
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 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.

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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.

Lian Li		ATX, shorter than 160 mm; front-mounted with connectors facing out

Rear power input is provided by an extension cable. Fan-up mounting needs specific screw holes; it is incompatible with RS-type rear-connector PSUs. A downward-facing PSU typically needs a CPU cable of about 600 mm.

Lian Li
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.

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Radiator supportTop: 360/240 mm; side: 360/280/240 mm; bottom: 240 mm (360 mm with fan at the bottom) 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 Li—
Dust filter and warrantyRemovable bottom dust filter; 1-year warranty Lian Li—
Type and motherboard—ATX mid tower; ATX (up to 244 mm wide), Micro-ATX, Mini-ITX; 7 expansion slots

E-ATX is not supported.

Lian Li
Size and materials—455.6 × 219 × 456 mm (D × W × H); 45.5 litres; steel body, 4 mm tempered glass Lian Li
Included fans—Front 2 × 140 mm ARGB (450–1900 RPM); above the PSU shroud 2 × 120 mm PWM (500–1950 RPM)

The bottom 120 mm fans blow air straight at the graphics card. Sixteen 28 mm long screws for 25 mm thick fans are included; fans wider than 140 mm are not supported at the front.

Lian Li
Fan and radiator support—Front 2 × 140 mm; top 3 × 120 mm or 2 × 140 mm; above PSU shroud 2 × 120 mm; rear 1 × 120 mm; top 360/280/240 mm radiator

Radiators are supported only at the top; push-pull is possible at 360 mm.

Lian Li
Clearances—GPU up to 375 mm; CPU cooler up to 180 mm

The adjustable anti-sag bracket covers 285–315, 316–345 and 346–375 mm card lengths.

Lian Li
Storage—2 × 3.5" HDD or 2.5" SSD Lian Li
Top I/O—2 × USB 3.0; 1 × USB 3.2 Type-C; audio jack; power button

There is no reset button.

Lian Li
Filters and accessories—Bottom dust filter; optional front filter (LAN207-1X/1W) and vertical GPU kit (VG4-4-V2X/V2W) Lian Li
Warranty—1 year Lian Li