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Rectangular black steel micro-ATX case with mesh side and top panels, front I/O cluster, no side window

Lian Li

Lian Li A3-mATX Black MicroATX PC Case

SKU CH-H06E-FVBVX MPN A3-mATX Black

MicroATX steel mesh chassis with flexible PSU placement, room for a 430 mm GPU, 360 mm radiator and 167 mm CPU cooler, plus USB 3.1 Type-C front I/O

  • Max graphics card length430 mm
  • Housing materialSteel
  • Supported motherboard sizesMicro ATX / ITX
  • Side panel typeWithout Side Window
  • Dust filteringBottom
  • 3.5-inch internal bays1

Model Black Front Panel

  • Mesh steel panels boost airflow throughout the case
  • Relocatable PSU bracket enables flexible internal layouts
  • Fits 360 mm radiators on top or side for liquid cooling
  • Supports graphics cards up to 430 mm long
  • Four front USB ports include USB 3.1 Type-C and two USB 3.0 Type-A

MicroATX Mesh Chassis

The Lian Li A3-mATX Black is a steel MicroATX and ITX chassis with mesh side and top panels. It targets builders who want a compact case that still accepts long graphics cards and large radiators. The relocatable power-supply bracket adds layout flexibility for custom loops or air-cooled builds. No side window is included.

Tool-Free Panels and Filter Access

Mesh panels lift off without screws, giving quick access to the interior and the bottom dust filter. The case ships without any pre-installed fans, so the builder must supply and wire all cooling. Cable routing space behind the motherboard tray is tight, so plan the PSU position and cable lengths before final assembly.

430 mm GPU and 360 mm Radiator Headroom

The chassis fits graphics cards up to 430 mm long and CPU coolers up to 167 mm tall. Top, side and bottom mounts each accept a single 360, 280 or 240 mm radiator, while the rear takes a 120 mm unit. Drive capacity is limited to one 3.5-inch bay and two 2.5-inch bays, so storage-heavy builds need external solutions.

How it compares

Measured against everything we stock in Tower & Desktop PC Cases, at today’s prices. Recalculated every night.

Price $55.99
Cheaper than about 86% of the 1,468 comparable items (median $100.99).
Max graphics card length 430 mm
Higher than about 83% of the 894 comparable items (median 400 mm).

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Specifications

Product
Brand nameLIAN LI
Model nameA3- mATX Black
Product typeMicroATX Chassis
Product colorBlack
Storage
3.5-inch internal bays1
2.5-inch internal bays2
Ports & slots
Expansion card slots4
Front panel ports1 x Power Button, 2 x USB 3.0 Type-A, 1 x USB 3.1 Type-C, 2 x Audio,
Size & build
Max graphics card length430 mm
Housing materialSteel
Side panel typeWithout Side Window
Dust filteringBottom
Fan mounting optionsTop: 3 × 120 mm or 2 × 140 mm
Side: 3 × 120 mm or 2 × 140 mm
Bottom: 3 × 120 mm or 2 × 140 mm
Rear: 1 × 120 mm
Product dimensions17.44 in × 7.64 in × 12.66 in
Shipping weight5.97 kg
Package size508 × 387 × 267 mm
Compatibility
Supported motherboard sizesMicro ATX / ITX
Radiator supportTop: 1 × 360/280/240 mm
Side: 1 × 360/280/240 mm
Bottom: 1 × 280/240 mm
CPU cooler height limit167 mm
PSU length limit220 mm
More details
Included fansNo Fan Installed

Other versions of this model

3 more in the same range

Questions about this item

Will a graphics card measuring 430 mm fit without hitting the front panel?

The maximum supported GPU length is 430 mm, so a card of that size will fit as long as the front-mounted PSU bracket is positioned to leave enough clearance.

Can I install a 360 mm radiator on the side panel with fans already mounted?

The side panel supports one 360 mm radiator; fans must be removed or the radiator replaces the fan positions because the mount uses the same 120 mm or 140 mm spacing.

What power-supply form factors are compatible with the movable bracket?

The bracket accepts ATX, SFX and SFX-L units up to 220 mm long, and the bracket can be placed at the front or beside the motherboard tray.

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