| Product name | TOPOWER TOP-500WB | SeaSonic S12III Bronze Series SSR-550GB3 | Rosewill ARC 650 |
| Popularity | 80 | 80 | 80 |
| Rating | | | |
| Shopineer score | 78 | 78 | 78 |
| Price | $49.99 |  $57.99 | $69.99 |
| Brand | TOPOWER | SeaSonic | Rosewill |
| Type | ATX12V v2.3 | Intel ATX 12 V | ATX12V v2.31 & EPS12V v2.92 |
| Maximum Power | 500W | 550W | 650W |
| Fans | 1 x 120mm | 120mm Fluid Dynamic Bearing fan | 1 x Silent 120mm Fan |
| PFC | Active | Active | Active |
| Main Connector | 20+4Pin | 20+4Pin | 20+4Pin |
| +12V Rails | 2 | Single | Single |
| PCI-Express Connector | 1 x 6-Pin, 1 x 6+2-Pin | 2 x 6+2-Pin | 2 x 6+2-Pin |
| SATA Power Connector | 6 | 6 | 6 |
| SLI | SLI Ready | | Yes |
| Haswell Support | | | No |
| CrossFire | CrossFire Ready | | No |
| Modular | No | Non-Modular | Non-Modular |
| Energy-Efficient | 80 PLUS BRONZE Certified | 80 PLUS BRONZE Certified | 80 PLUS BRONZE Certified |
| Over Voltage Protection | Yes | Yes | +3.3V, +5V, +12V |
| Input Voltage | 100 - 240 V | 100 - 240 V | 100 - 240 V |
| Input Frequency Range | 50/60 Hz | 50/60 Hz | 50/60 Hz |
| Input Current | 10A - 6A | 8 - 4 A | 10A |
| Output | +3.3V@24A, +5V@24A, +12V1@20A, +12V2@20A, -12V@0.5A, +5VSB@2.5A | +3.3V@20A, +5V@20A, +12V@45.5A, -12V@0.3A, +5VSB@2.5A | +3.3V@20A, +5V@20A, +12V@54A, -12V@0.5A, +5VSB@2.5A |
| MTBF | >100,000 Hours | >100,000 Hours | 100k hours at 25 C degree, max. load, nominal input |
| Approvals | CE, CSA, UL, FCC, TUV | Safety and EMC: cTUVus, TUV, Gost-R, UkrTEST, CB , BSMI, Semko, CCC, CE, FCC, C-tickEnvironmental Compliance: Energy Star, RoHS, WEEE, REACH | UL, FCC, CE, ROHS |
| Dimensions | | 3.39 x 5.51 x 5.91 | 3.39 x 5.51 x 5.91 |
| Weight | 5 lbs. | |  4.28 lbs. |
| Connectors | 1 x Main connector (20+4Pin)1 x 4+4 Pin ATX12V/EPS12V6 x Peripheral6 x SATA1 x Floppy1 x PCI-E 6Pin1 x PCI-E 6+2Pin | 1 x Main Power (24/20 pins)1 x CPU (8/4 pins)2 x PCIe (8/6 pins)6 x SATA3 x Peripheral1 x Floppy | 1 x 20+4-Pin Main Connector 1 x 4+4-Pin ATX12V / EPS12V Connector2 x 6+2-Pin PCI-E Connector4 x 4-Pin Peripheral Connector6 x 5-Pin SATA Connector1 x 4-Pin Floppy Connector |
