| Product name | SeaSonic FOCUS Plus 550 Gold SSR-550FX | Rosewill PHOTON-750 | EVGA G3 Series 220-G3-0550-Y1 |
| Popularity | 80 | 80 | 80 |
| Rating | | |  80 |
| Shopineer score | 78 | 78 | 78 |
| Price | $95.99 |  $111.99 |  $89.48 |
| Brand | SeaSonic | Rosewill | EVGA |
| Type | ATX12V / EPS12V | ATX12V v2.31 & EPS12V v2.92 | ATX12V / EPS12V |
| Maximum Power | 550W | 750W | 550W |
| Fans | 120mm Fluid Dynamic Bearing | 1 x Silent 135mm Fan with Auto Speed Control | 1 x 130mm Hydraulic Dynamic Bearing Fan |
| PFC | | Active | |
| Main Connector | | 20+4Pin | 24Pin |
| +12V Rails | Single | Single | Single |
| PCI-Express Connector | | 4 x 6+2-Pin | 3 x 6+2-Pin |
| SATA Power Connector | 6 | | 6 |
| SLI | | SLI Ready | SLI Ready |
| Haswell Support | | | |
| CrossFire | | CrossFire Ready | CrossFire Ready |
| Modular | Full Modular | Full Modular | Full Modular |
| Energy-Efficient | 80 PLUS GOLD Certified | 80 PLUS GOLD Certified | 80 PLUS GOLD Certified |
| Over Voltage Protection | | +3.3V, +5V, +12V | Yes |
| 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 | 8 - 4 A | 10 A | 10A |
| Output | +3.3V@20A, +5V@20A, +12V@45A, -12V@0.3A, +5Vsb@3A | +3.3V@25A, +5V@25A, +12V@62.5A, -12V@0.3A, +5VSB@3A | +3.3V @ 22A, +5V @ 22A, +12V @ 45.8A, +5Vsb @ 3.0A, -12V @ 0.5A |
| MTBF | >100,000 Hours | 100,000 hours at 25 degree C, max. load, nominal input | 100,000 Hours |
| Approvals | Energy Star, RoHS, WEEE, ErP Lot 6, REACH | TUV, CE, FCC, ROHS | TUV, CB, CE, FCC, RCM, cTUVus, WEEE, RoHS, Compliance with ErP Lot 6 2013 Requirement |
| Dimensions | 3.39 x 5.91 x 5.51 | 3.39 x 5.91 x 6.30 | 3.35 x 5.91 x 5.91 |
| Weight | 6.1 lbs. | 13.78 lbs. | 4 lbs. |
| Connectors | 1 x Main Power1 x 4/8 Pin CPU2 x PCIE6 x SATA3 x Peripheral1 x FDD | Modular Cable :1 x 20+4-Pin Main Connector 1 x 4+4-Pin ATX12V / EPS12V Connector4 x 6+2-Pin PCI-E Connector8 x 5-Pin SATA Connector 4 x 4-Pin Peripheral Connector1 x 4-Pin Floppy Connector | 1 x 24Pin ATX1 x 8pin (4+4) EPS (CPU)3 x 8pin (6+2) PCIE6 x SATA4 x Four-Pin Peripheral1 x Floppy |
