| Product name | SeaSonic FOCUS Plus 650 Gold SSR-650FX | SILVERSTONE Strider Essential ST70F-ESB | ZT Series OCZ-ZT550W |
| Popularity | 80 | 80 | 80 |
| Rating | | | |
| Shopineer score | 78 | 78 | 78 |
| Price | $98.99 |  $92.32 | $92.39 |
| Brand | SeaSonic | SILVERSTONE | OCZ |
| Type | ATX12V / EPS12V | ATX12V / EPS12V | ATX12V v2.2 |
| Maximum Power | 650W | 700W | 550W |
| Fans | 120mm Fluid Dynamic Bearing | | 1 x 140mm Fan |
| PFC | | Active | Active |
| Main Connector | | | 20+4Pin |
| +12V Rails | | | Single |
| PCI-Express Connector | | | 2 x 6+2-Pin |
| SATA Power Connector | | | 6 |
| SLI | | SLI Ready | |
| Haswell Support | | | Yes |
| CrossFire | | CrossFire Ready | |
| Modular | Full Modular | | Full Modular |
| Energy-Efficient | 80 PLUS GOLD Certified | 80 PLUS BRONZE Certified | 80 PLUS BRONZE Certified |
| Over Voltage Protection | | | Yes |
| Input Voltage | 100 - 240 V | | 100 - 240 V |
| Input Frequency Range | 50/60 Hz | | 50/60 Hz |
| Input Current | 9 - 4.5 A | | 8A @ 115V, 4A @ 230V |
| Output | +3.3V@20A, +5V@20A, +12V@54A,-12V@0.3A,+5Vsb@3A | | +3.3V@24A, +5V@24A, +12V@45A, -12V@0.5A, +5VSB@3A |
| MTBF | >100,000 Hours | | >100,000 Hours |
| Approvals | Energy Star, RoHS, WEEE, ErP Lot 6, REACH | | UL, CUL, CE, CB, FCC Class B, T |
| Dimensions | 3.39 x 5.91 x 5.51 | | 5.9 x 3.4 x 6.9 |
| Weight | 6.6 lbs. | 4.08 lbs. | 4.94 lbs. |
| Connectors | 1 x Main Power1 x 4/8 Pin CPU4 x PCIE8 x SATA3 x Peripheral1 x FDD | | 1 x 20+4-pin ATX1 x 4+4-pin ESP/12V CPU2 x 6+2-pin PCI-E6 x 4-pin Peripheral6 x 5-pin SATA1 x FDD |
