







🖤 Micro size, mega performance — own the desk, own the game.
The Lian Li A3-mATX is a premium 26.3L micro form factor chassis engineered for professionals who demand high performance in a compact footprint. It supports M-ATX and ITX motherboards, GPUs up to 415mm, and versatile PSU options including ATX and SFX variants. With advanced cooling capabilities featuring up to a 360mm radiator and 10 x 120mm fans, plus steel mesh panels for optimal airflow, this chassis blends minimalist design with maximum thermal efficiency.



| Brand | Lian Li |
| Manufacturer | Lian Li |
| Model | A3X.US |
| Model Name | A3X.US |
| Product Dimensions | 44.2 x 19.3 x 30.48 cm; 5 kg |
| Item model number | A3X.US |
| Compatible Devices | M-ATX motherboards, ITX motherboards, up to 415mm GPUs, ATX/SFX/SFX-L PSUs, 2.5” SSD drives, 3.5” HDD drives, up to 360mm radiators, and 120mm fans |
| Number of items | 1 |
| Batteries Required | No |
| Total USB ports | 2 |
| Manufacturer | Lian Li |
| Item Weight | 5 kg |
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