Lian Li A3-mATX (Black)

Lian Li A3-mATX (Black)

A 26.3 L mesh micro-ATX case with 415 mm GPU room, 360 mm radiator mounts and flexible PSU placement.

  • Mini Tower
  • Micro-ATX, Mini-ITX
  • 415 mm
  • 165 mm
  • 26.3 L

PCPR score

7.8

Good

Best price we’ve seen

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R1

The short version

The A3-mATX is a compact mesh case that supports micro-ATX and Mini-ITX boards, GPUs up to 415 mm and ATX, SFX or SFX-L power supplies. Lian Li lists 360 mm radiator support on the top and side. Cooling fans are not listed as included. It suits compact builds that still want large GPUs and radiators.

Pros

  • 415 mm GPU clearance in 26.3 L
  • 360 mm radiators on top and side
  • Accepts ATX, SFX and SFX-L PSUs
  • Mesh panels

Cons

  • Fans not listed as included
  • Only four expansion slots
  • 1-year warranty
  • Cooler height limit of 165 mm

Best for

  • Compact micro-ATX gaming builds
  • Builders wanting radiators in a small case

J3

Full specifications

Core

Style
Mini Tower

Fit

Motherboard support
Micro-ATX, Mini-ITX
Max GPU length
415 mm
Max CPU cooler height
165 mm
PSU support
ATX, SFX, SFX-L
Max PSU length
220 mm
Expansion slots
4
3.5" bays
1
2.5" bays
3

Cooling

Top radiator
240, 360
Side radiator
240, 280, 360
Bottom radiator
240
Total fan mounts
10

Ports & I/O

Front USB-C
Yes
Front USB-A
2

Physical

Side panel
Mesh
Color
Black
Length
443 mm
Width
194 mm
Height
321.5 mm
Volume
26.3 L

Compatibility notes

  • GPU up to 415 mm; CPU coolers up to 165 mm.
  • PSU up to 220 mm in ATX, SFX or SFX-L form.
  • Wood and glass editions are separate SKUs.

P1

Where to buy

We may earn a commission when you buy through links on this page. It never affects our scores or what we recommend. Prices move quickly, so confirm the final price at the retailer.

AV1

Video reviews

Positive · Review

Excellent Budget Case: Lian Li DAN A3-mATX Review & Benchmarks

Gamers Nexus

Gamers Nexus reviews the Lian Li DAN A3-mATX budget case, describing a positive outlook on its simple, competent design.

AV2

What reviewers and owners say

  • r/watercooling · u/Br3zzly

    Positive

    A builder completed a first custom loop in the A3-mATX with dual 360mm radiators and reports the finished system runs very quiet with fans kept at low fixed speeds.

  • r/sffpc · u/Humajum

    Positive

    An owner runs the A3 as a main desktop with a 9950X3D2, NH-D15 and RTX 4090 FE, using it as the anchor build while upsizing a secondary system.

  • r/sffpc · u/Mmedrano4

    Positive

    A builder moved from an NR200 into the A3 Noctua Edition, fitting an all-Noctua fan setup with tuned intake curves that keep the system totally silent while managing CPU and GPU temperatures.

Summaries are written in our words. Follow the links for each source’s own review.

R9

Common questions

What motherboards fit?

Lian Li lists Micro-ATX and Mini-ITX motherboard support for the A3-mATX.

Can I fit a 360 mm radiator?

Yes, on the top (360/240 mm) or side (360/280/240 mm) per Lian Li.

Which PSUs fit?

ATX, SFX and SFX-L power supplies fit, up to a maximum length of 220 mm per Lian Li.

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