The Lian Li Lancool 217 wins in 6 out of 8 comparable specs. Its biggest advantage is 2.5" Bays (200% better).
4000D Airflow wins in 1 spec (MSRP: 30% better).
Recommendation
Choose Lancool 217 if you want the best overall performance — especially 2.5" bays.
Choose 4000D Airflow if msrp matters more to you.
| Spec | Corsair4000D Airflow | Lian LiLancool 217 |
|---|---|---|
| Design | ||
| Type | ATX Mid Tower | ATX Full Tower |
| Side Panel | Tempered Glass | Tempered Glass |
| Weight | 7.8 | 12.6 |
| Compatibility | ||
| Max GPU Length | 360 mm | 421 mm+17% |
| Max Cooler Height | 170 mm | 178 mm+5% |
| Max PSU Length | 200 mm | 210 mm+5% |
| Max Radiator | 360 mm | 420 mm+17% |
| Motherboard Support | ATX, Micro ATX, Mini ITX | ATX, EATX, Micro ATX, Mini ITX |
| Cooling | ||
| Included Fans | 2 | 4+100% |
| Storage | ||
| 2.5" Bays | 2 | 6+200% |
| 3.5" Bays | 2 | 2 |
| I/O | ||
| Front I/O | 1x USB-C, 1x USB-A 3.0, Audio | 1x USB-C, 2x USB-A 3.0, Audio |
| Price | ||
| MSRP | $105−30% | $150 |
| Release Date | Sep 2020 | Jun 2023 |
