SIDE-BY-SIDE EVIDENCE
be quiet! System Power U9 vs Channel Well Technology GPH400T-B
Compare published certification and review evidence for the 400 W be quiet! System Power U9 and 400 W Channel Well Technology GPH400T-B. Values summarize only evidence present in the PSU Lens snapshot; N/A evidence contributes no points.
| Category | be quiet! System Power U9 | Channel Well Technology GPH400T-B |
|---|---|---|
| Rated wattage / form factor | 400 W · ATX | 400 W · TFX |
| Cable modularity | Fixed cables (non-modular) · evidence | Not verified |
| Published certifications and review results |
|
|
| 115 V energy efficiency | 0 / 21 | 2 / 21 |
| 115 V ATX evidence | 0 / 17 | 0 / 17 |
| 115 V acoustics | 0 / 12 | 0 / 12 |
| SPL tier list | 3 / 5 | 0 / 5 |
| LTT Labs review | 0 / 5 | 0 / 5 |
| 230 V energy efficiency | 0 / 21 | 0 / 21 |
| 230 V ATX evidence | 0 / 17 | 0 / 17 |
| 230 V acoustics | 0 / 12 | 0 / 12 |
These are PSU Lens point translations of source-published results, not a product quality, safety, reliability, or value verdict. Review the original reports before choosing.
Full record: be quiet! System Power U9 Full record: Channel Well Technology GPH400T-B
Other available capacity comparisons: browse the comparison index.