| Product name | CORSAIR SF Series SF450 CP-9020181-NA | CORSAIR RMx Series RM550x CP-9020177-NA |
| Popularity | 80 | 80 |
| Rating | 97 | 97 |
| Shopineer score | 84 | 84 |
| Price | $99.99 | $99.99 |
| Brand | CORSAIR | CORSAIR |
| Type | SFX | ATX12V / EPS12V |
| Maximum Power | 450W | 550W |
| Fans | 1 x 92mm Cooling Fan | 1 x 140mm Low Noise Rifle Bearing Fan |
| PFC | | |
| Main Connector | 24Pin | 20+4Pin |
| +12V Rails | Single | Single |
| PCI-Express Connector | 2 x 6+2-Pin | 2 x 6+2-Pin |
| SATA Power Connector | 4 | 6 |
| SLI | | |
| Haswell Support | | |
| CrossFire | | |
| Modular | Full Modular | Full Modular |
| Energy-Efficient | 80 PLUS PLATINUM Certified | 80 PLUS GOLD Certified |
| Over Voltage Protection | Yes | Yes |
| Input Voltage | 100 - 240 V | 100 - 240 V |
| Input Frequency Range | 47 - 63 Hz | 47 - 63 Hz |
| Input Current | 10A - 5A | 10A - 5A |
| Output | +3.3V@15A, +5V@20A, +12V@37.5A, -12V@0.3A, +5VSB@2.5A | +3.3V@25A, +5V@25A, +12V@45.8A, -12V@0.8A, +5VSB@3A |
| MTBF | | |
| Approvals | | |
| Dimensions | 3.94 x 4.92 x 2.50 | 3.39 x 5.91 x 6.30 |
| Weight | 1.9 lbs. |  3.36 lbs. |
| Connectors | 1 x ATX Cable (24-PIN)1 x EPS/ATX12V Cable (8-PIN) (4+4)2 x PCI-E Cable (8-PIN) (6+2)4 x SATA CABLE (4 SATA)3 x Peripheral | 1 x ATX CABLE 24-PIN (20+4)1 x EPS/ATX12V CABLE 8-PIN (4+4)2 x PCIe CABLE 8-PIN (6+2)6 x SATA CABLE (3 SATA)4 x PERIPHERAL CABLE (4-PIN)1 x FLOPPY DRIVE ADAPTER (4-PIN) |
