| Product name | CORSAIR RM650X 2018 CP-9020178-NA | EVGA 220-B3-0850-V1 | SILVERSTONE SST-SX500-G |
| Popularity | 80 | 80 | 80 |
| Rating | 80 |  |  |
| Shopineer score | 78 | 78 | 78 |
| Price | $120.39 | $99.99 | $99.99 |
| Brand | CORSAIR | EVGA | SILVERSTONE |
| Type | ATX12V / EPS12V | ATX12V / EPS12V | SFX |
| Maximum Power | 650W | 850W | 500W |
| Fans | 1 x Low Noise Fan | 1 x 130mm Long Life Sleeve Bearing | Single 92mm silent fan |
| PFC | | Active | Active PFC (PF>0.9 at full load) |
| Main Connector | 20+4Pin | 24Pin | 20+4Pin |
| +12V Rails | Single | Single | Single |
| PCI-Express Connector | 4 x 6+2-Pin | 6 x 6+2-Pin | 2 x 6+2-Pin |
| SATA Power Connector | 9 | 9 | 6 |
| SLI | | SLI Ready | |
| Haswell Support | | Yes | |
| CrossFire | | Yes | |
| Modular | Full Modular | Full Modular | Full Modular |
| Energy-Efficient | 80 PLUS GOLD Certified | 80 PLUS BRONZE Certified | 80 PLUS GOLD Certified |
| Over Voltage Protection | Yes | Yes | Yes |
| Input Voltage | 100 - 240 V | 100 - 240 V | 90 - 264 V |
| Input Frequency Range | 47 - 63 Hz | 50 - 60 Hz | 47 - 63 Hz |
| Input Current | 10A - 5A | 10A | |
| Output | +3.3V@25A, +5V@25A, +12V@54A, -12V@0.8A, +5VSB@3A | +3.3V@24A, +5V@24A, +12V@70.8A, +5Vsb@3A, -12V@0.5A | +3.3V@22A, +5V@22A, +12V1@41.7A, -12V@0.3A, +5VSB@2.5A |
| MTBF | | 100,000 Hours | 100,000 hours |
| Approvals | | TUV, CB, CE, FCC, RCM, cTUVus, WEEE, RoHS, Compliance with ErP Lot 6 2013 Requirement | |
| Dimensions | 6.30 x 5.91 x 3.39 | 3.35 x 5.91 x 6.30 | 4.92 x 3.94 x 2.50 |
| Weight | 3.36 lbs. | 5.2 lbs. | 2.98 lbs. |
| Connectors | 1 x ATX CABLE 24-PIN (20+4)1 x EPS/ATX12V CABLE 8-PIN (4+4)4 x PCIe CABLE 8-PIN (6+2)9 x SATA CABLE (3 SATA)4 x PERIPHERAL CABLE (4-PIN)1 x FLOPPY DRIVE ADAPTER (4-PIN) | 1 x 24 Pin ATX1 x 8pin (4+4) EPS (CPU)6 x 8pin (6+2) PCIE9 x SATA3 x Four-Pin Peripheral1 x Floppy | 1 x 24 / 20-Pin motherboard connector (300mm) 1 x 8 / 4-Pin EPS / ATX 12V connector (400mm) 1 x 8 / 6-Pin PCIE connector (400mm) 1 x 8 / 6-Pin PCIE connector (550mm) 6 x SATA connector ("300mm / 220mm / 100mm" x 2) 3 x 4-Pin Peripheral connector (300mm / 200mm / 200mm) 1 x 4-Pin Floppy connector (100mm) |