SIDE-BY-SIDE EVIDENCE
Lenovo FSP550-40ALA vs Lite-On Technology Corporation PS-5551-1
Compare published certification and review evidence for the 550 W Lenovo FSP550-40ALA and 550 W Lite-On Technology Corporation PS-5551-1. Values summarize only evidence present in the PSU Lens snapshot; N/A evidence contributes no points.
| Category | Lenovo FSP550-40ALA | Lite-On Technology Corporation PS-5551-1 |
|---|---|---|
| Rated wattage / form factor | 550 W · ATX12V, ATX 3.1 | 550 W · ATX12V |
| Cable modularity | Not verified | Not verified |
| Published certifications and review results |
|
|
| 115 V energy efficiency | 0 / 21 | 4 / 21 |
| 115 V ATX evidence | 0 / 17 | 0 / 17 |
| 115 V acoustics | 0 / 12 | 0 / 12 |
| SPL tier list | 0 / 5 | 0 / 5 |
| LTT Labs review | 0 / 5 | 0 / 5 |
| 230 V energy efficiency | 4 / 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: Lenovo FSP550-40ALA Full record: Lite-On Technology Corporation PS-5551-1
Other available capacity comparisons: browse the comparison index.

