The Lian Li O11 Air Mini wins in 6 out of 8 comparable specs. Its biggest advantage is 3.5" Bays (300% better).
NR200P MAX wins in 1 spec (2.5" Bays: 50% better).
Recommendation
Choose O11 Air Mini if you want the best overall performance — especially 3.5" bays.
Choose NR200P MAX if 2.5" bays matters more to you.
| Spec | Cooler MasterNR200P MAX | Lian LiO11 Air Mini |
|---|---|---|
| Design | ||
| Type | Mini ITX | ATX Mid Tower |
| Side Panel | Tempered Glass | Tempered Glass |
| Weight | 5.2 | 7.5 |
| Compatibility | ||
| Max GPU Length | 336 mm | 362 mm+8% |
| Max Cooler Height | 153 mm | 155 mm+1% |
| Max PSU Length | 130 mm | 180 mm+38% |
| Max Radiator | 280 mm | 280 mm |
| Motherboard Support | Mini ITX, Mini DTX | ATX, EATX, Micro ATX, Mini ITX |
| Cooling | ||
| Included Fans | 2 | 3+50% |
| Storage | ||
| 2.5" Bays | 3+50% | 2 |
| 3.5" Bays | 1 | 4+300% |
| I/O | ||
| Front I/O | 1x USB-C, 2x USB-A 3.0, Audio | 1x USB-C, 2x USB-A 3.0, Audio |
| Price | ||
| MSRP | $200 | $110−45% |
| Release Date | Jun 2022 | Sep 2021 |