| Product name | SeaSonic S12III Bronze Series SSR-550GB3 | Rosewill ARC 650 | 
| Popularity | 80 | 80 | 
| Rating |  |  | 
| Shopineer score | 78 | 78 | 
| Price | $57.99 |  $69.99 | 
| Brand | SeaSonic | Rosewill | 
| Type | Intel ATX 12 V | ATX12V v2.31 & EPS12V v2.92 | 
| Maximum Power | 550W | 650W | 
| Fans | 120mm Fluid Dynamic Bearing fan | 1 x Silent 120mm Fan | 
| PFC | Active | Active | 
| Main Connector | 20+4Pin | 20+4Pin | 
| +12V Rails | Single | Single | 
| PCI-Express Connector | 2 x 6+2-Pin | 2 x 6+2-Pin | 
| SATA Power Connector | 6 | 6 | 
| SLI |  | Yes | 
| Haswell Support |  | No | 
| CrossFire |  | No | 
| Modular | Non-Modular | Non-Modular | 
| Energy-Efficient | 80 PLUS BRONZE Certified | 80 PLUS BRONZE Certified | 
| Over Voltage Protection | Yes | +3.3V, +5V, +12V | 
| Input Voltage | 100 - 240 V | 100 - 240 V | 
| Input Frequency Range | 50/60 Hz | 50/60 Hz | 
| Input Current | 8 - 4 A | 10A | 
| Output | +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 | 100k hours at 25 C degree, max. load, nominal input | 
| Approvals | 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 |  | 4.28 lbs. | 
| Connectors | 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 |