| Product name | COOLER MASTER MasterWatt Series MPX-5501-AMAAB-US | SeaSonic S12II 520 Bronze |
| Popularity | 80 | 80 |
| Rating | | |
| Shopineer score | 78 | 78 |
| Price | $64.80 |  $51.99 |
| Brand | COOLER MASTER | SeaSonic |
| Type | ATX 12V V2.4 | ATX12V V2.3 / EPS 12V V2.91 |
| Maximum Power | 550W | 520W |
| Fans | 1 x 120mm LDB Bearing Fan | 120mm ball bearing cooling fan |
| PFC | Active | Active |
| Main Connector | 24Pin | 24Pin |
| +12V Rails | Single | Single |
| PCI-Express Connector | 2 x 6+2-Pin | 1 x 6-Pin, 1 x 6+2-Pin |
| SATA Power Connector | 6 | 6 |
| SLI | | No |
| Haswell Support | | No |
| CrossFire | | No |
| Modular | Semi-Modular | No |
| Energy-Efficient | 80 PLUS BRONZE Certified | 80 PLUS BRONZE Certified |
| Over Voltage Protection | Yes | Yes |
| Input Voltage | 100 - 240 V | 100 - 240 V |
| Input Frequency Range | 50/60 Hz | 50/60 Hz |
| Input Current | 8 - 4A | |
| Output | +3.3V@20A, +5V@20A, +12@45.8A, -12V@0.3A, +5VSB@3A | +3.3V@24A, +5V@24A, +12V1@20A, +12V2@20A, -12V@0.8A, +5VSB@2.5A |
| MTBF | >100,000 Hours | |
| Approvals | CCC, CE, TUV-RH, RCM, EAC, cTUVus, FCC, BSMI, KC, CB | |
| Dimensions | 5.51 x 5.91 x 3.39 | 3.40 x 5.50 x 5.90 |
| Weight | 3.54 lbs. | |
| Connectors | 1 x MB 24 pin1 x CPU 12V 4+4Pin6 x SATA2 x Peripheral 4 Pin1 x FDD Cable 4 Pin2 x PCI-e 6+2 Pin | |
