The Lian Li O11 Air Mini wins in 4 out of 8 comparable specs. Its biggest advantage is Included Fans (200% better).
S100 TG wins in 3 specs (MSRP: 55% better).
Recommendation
Choose O11 Air Mini if you want the best overall performance — especially included fans.
Choose S100 TG if msrp matters more to you.
| Spec | Lian LiO11 Air Mini | ThermaltakeS100 TG |
|---|---|---|
| Design | ||
| Type | ATX Mid Tower | Micro ATX |
| Side Panel | Tempered Glass | Tempered Glass |
| Weight | 7.5 | 5.1 |
| Compatibility | ||
| Max GPU Length | 362 mm+10% | 330 mm |
| Max Cooler Height | 155 mm | 161 mm+4% |
| Max PSU Length | 180 mm+6% | 170 mm |
| Max Radiator | 280 mm | 280 mm |
| Motherboard Support | ATX, EATX, Micro ATX, Mini ITX | Micro ATX, Mini ITX |
| Cooling | ||
| Included Fans | 3+200% | 1 |
| Storage | ||
| 2.5" Bays | 2 | 3+50% |
| 3.5" Bays | 4+100% | 2 |
| I/O | ||
| Front I/O | 1x USB-C, 2x USB-A 3.0, Audio | 2x USB-A 3.0, Audio |
| Price | ||
| MSRP | $110 | $50−55% |
| Release Date | Sep 2021 | Mar 2020 |
