The NZXT H9 Flow wins in 6 out of 8 comparable specs. Its biggest advantage is Included Fans (300% better).
S100 TG wins in 1 spec (MSRP: 70% better).
Recommendation
Choose H9 Flow if you want the best overall performance — especially included fans.
Choose S100 TG if msrp matters more to you.
| Spec | NZXTH9 Flow | ThermaltakeS100 TG |
|---|---|---|
| Design | ||
| Type | ATX Mid Tower | Micro ATX |
| Side Panel | Tempered Glass | Tempered Glass |
| Weight | 10.2 | 5.1 |
| Compatibility | ||
| Max GPU Length | 435 mm+32% | 330 mm |
| Max Cooler Height | 165 mm+2% | 161 mm |
| Max PSU Length | 185 mm+9% | 170 mm |
| Max Radiator |
| 360 mm+29% |
| 280 mm |
| Motherboard Support | ATX, Micro ATX, Mini ITX | Micro ATX, Mini ITX |
| Cooling | ||
| Included Fans | 4+300% | 1 |
| Storage | ||
| 2.5" Bays | 4+33% | 3 |
| 3.5" Bays | 2 | 2 |
| I/O | ||
| Front I/O | 1x USB-C, 2x USB-A 3.0, Audio | 2x USB-A 3.0, Audio |
| Price | ||
| MSRP | $165 | $50−70% |
| Release Date | Jan 2023 | Mar 2020 |
