Lian Li LANCOOL 217 INF: LAN217INFX · black
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.
| Specification | Lian Li LANCOOL 217 INF | Lian Li A3-mATX |
|---|---|---|
| Release year | 2025 | 2024 |
| Dimensions | 482 × 238 × 503 mm Lian Li | 443 × 194 × 321.5 mm (D × W × H); 306 mm tall without feet Lian Li |
| Materials | Steel · 4 mm tempered glass Lian Li | — |
| Motherboards | SSI-EEB ≤330 mm; E-ATX ≤280 mm; ATX/mATX/ITX Lian Li | — |
| Rear connectors | ATX and mATX support Lian Li | — |
| Graphics card | Up to 380 mm Lian Li | Up to 415 mm long, 4 slots thick Lian Li |
| CPU cooler | Up to 180 mm Lian Li | Up to 165 mm tall Lian Li |
| Included fans | Front: 2 × 170 mm; rear: 1 × 140 mm Lian Li | — |
| Top fan positions | 3 × 120 mm or 2 × 140 mm Lian Li | — |
| 360 mm radiator | Top; total thickness ≤85 mm, length ≤406.5 mm Lian Li | — |
| 280 mm radiator | Top; total thickness ≤60 mm Lian Li | — |
| Lower fan options | 3 × 120 mm above or 2 × 120 mm below PSU shroud Lian Li | — |
| PSU length | Standard ≤220 mm; rotated ≤180 mm Lian Li | — |
| Front connections | 2 × USB-A 3.0; USB-C 3.2; combined audio Lian Li | — |
| Expansion | 7 slots; rotatable PCIe bracket Lian Li | — |
| Lighting control | M1/M2 buttons; separate L-Wireless controller for L-Connect 3 Lian Li | — |
| Case type and volume | — | MFF (Micro Form Factor); 26.3 L Lian Li |
| Material | — | Steel; side and top panels in steel mesh Lian Li |
| Motherboard | — | M-ATX and ITX; 4 expansion slots Lian Li |
| Power supply | — | ATX / SFX / SFX-L up to 220 mm; side or front mounting Lian Li |
| Fan support | — | Top: 3 × 120 mm; side: 3 × 120 mm or 2 × 140 mm; bottom: 3 × 120 mm; rear: 1 × 120 mm Lian Li |
| Radiator support | — | Top: 360/240 mm; side: 360/280/240 mm; bottom: 240 mm (360 mm with fan at the bottom) Lian Li |
| Drive support | — | Tray: 2 × 2.5" SSD; bottom: 1 × 2.5" SSD or 1 × 3.5" HDD Lian Li |
| Front I/O | — | Power button, 2 × USB 3.0 Type-A, 1 × USB 3.1 Type-C, mic, HD audio Lian Li |
| Dust filter and warranty | — | Removable bottom dust filter; 1-year warranty Lian Li |