| Product name | EVGA SuperNOVA 120-GP-0850-X1 | EVGA SuperNOVA 220-G2-0850-XR | CORSAIR RMx White Series RM850x White CP-9020188-NA |
| Popularity | 80 | 80 | 80 |
| Rating | | | |
| Shopineer score | 78 | 78 | 78 |
| Price | $139.99 | $139.99 |  $142.99 |
| Brand | EVGA | EVGA | CORSAIR |
| Type | ATX12V / EPS12V | ATX12V / EPS12V | ATX12V / EPS12V |
| Maximum Power | 850W | 850W | 850W |
| Fans | 135mm Fluid Dynamic Bearing Fan | 1 x 140mm Double Ball Bearing Fan | 1 |
| PFC | | | |
| Main Connector | 24Pin | 24Pin | 24Pin |
| +12V Rails | Single | Single | Single |
| PCI-Express Connector | 6 x 6+2-Pin | 2 x 6-Pin, 4 x 6+2-Pin | 6 x 6+2-Pin |
| SATA Power Connector | 9 | 10 | 10 |
| SLI | | SLI Ready | |
| Haswell Support | | Yes | |
| CrossFire | | 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 | Yes | Yes | Yes |
| Input Voltage | 100 - 240 V | 100 - 240 V | 100 - 240 V |
| Input Frequency Range | 50/60 Hz | 50/60 Hz | 47 - 63 Hz |
| Input Current | 12 - 5 A | 10A | 12A - 6A |
| Output | +3.3V@24A, +5V@24A, +12V@70.8A, -12V@0.5A, +5VSB@3.0A | +3.3V@24A, +5V@24A, +12V@70.8A, +5Vsb@3.0A, -12V@0.5A | +3.3V@25A, +5V@25A, +12V@70.8A, -12V@0.8A, +5VSB@3A |
| MTBF | 100,000 Hours | 100,000 Hours | |
| Approvals | TUV, CB, CE, FCC, RCM, cTUVus, WEEE, RoHSCompliance with ErP Lot 6 2013 Requirement | TUV, CB, CE, FCC, RCM, cTUVus, BSMI, WEEE, RoHS, Compliance with ErP Lot 6 2013 Requirement | |
| Dimensions | | 3.35 x 5.91 x 7.09 | 3.39 x 5.91 x 6.30 |
| Weight | 7 lbs. | 7 lbs. |  3.52 lbs. |
| Connectors | 1 x 24 Pin ATX2 x 8pin(4+4) EPS (CPU)6 x 8pin(6+2)PCIE9 x SATA6 x Four-Pin Peripheral2 x Floppy | 1 x 24-Pin ATX2 x 4+4-Pin EPS12V4 x 6+2-Pin PCI-E2 x 6-Pin PCI-E10 x SATA4 x 4-Pin Peripheral1 x Floppy | 1 x ATX 24-PIN (24)2 x EPS/ATX12V 8-PIN (4+4)6 x PCIe 8-PIN (6+2)6 x SATA (3 SATA)4 x SATA (4 SATA)8 x PERIPHERAL (4-PIN) |
