| Product name | CORSAIR RM Series RM850 | Rosewill HERCULES-1600S | CORSAIR RMi Series RM850i |
| Popularity | 80 | 80 | 80 |
| Rating | | | |
| Shopineer score | 78 | 78 | 78 |
| Price | $259.82 |  $259.99 |  $129.99 |
| Brand | CORSAIR | Rosewill | CORSAIR |
| Type | ATX12V v2.31 and EPS 2.92 | ATX12V v2.3 & EPS12V v2.92 | ATX12V / EPS12V |
| Maximum Power | 850W | 1600W | 850W |
| Fans | 1 | 1 x Silent 135mm Fan | 1 x 135mm Fluid Dynamic Bearing fan |
| PFC | Active | Active | Active |
| Main Connector | | 20+4Pin | 20+4Pin |
| +12V Rails | Single | 2 | Single |
| PCI-Express Connector | 6 x 6+2-Pin | 16 x 6+2-Pin | 6 x 6+2-Pin |
| SATA Power Connector | 10 | 16 | 10 |
| SLI | | SLI Ready | SLI Ready |
| Haswell Support | Yes | Yes | Yes |
| CrossFire | | CrossFire Ready | CrossFire Ready |
| Modular | Full Modular | Modular | Full Modular |
| Energy-Efficient | 80 PLUS GOLD Certified | 80 PLUS GOLD 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 | | 16 A | 12A - 6A |
| Output | +3.3V@25A, +5V@25A, +12V@70.8A, -12V@0.8A, +5VSB@3.0A | +3.3V@25A, +5V@25A, +12V1@110A, +12V2@50A, -12V@0.5A, +5VSB@3.5A | +3.3V@25A, +5V@25A, +12V@70.8A, -12V@0.8A, +5VSB@3A |
| MTBF | >100,000 Hours | >100,000 Hours | 100,000 hours |
| Approvals | | CE, FCC, TUV, RoHS | FCC, ICES, CE, C TUV US, RCM, TUV, CB, CCC, BSMI, GOST, ROHS, WEEE, ROHS, KC, TUV-S |
| Dimensions | 3.39 x 5.91 x 7.09 | 3.39 x 5.91 x 9.45 | 3.39 x 5.91 x 7.09 |
| Weight | 6.97 lbs. | 7.7 lbs. | 4.37 lbs. |
| Connectors | 1 x ATX Connector2 x EPS Connector2 x Floppy Connector8 x 4-Pin Peripheral Connector6 x PCI-E Connector10 x SATA Connector | Fix Cable :1 x 20+4-Pin Main Connector 1 x 8-pin EPS12V Connector1 x 4+4-Pin ATX12V/EPS12V ConnectorModular Cable: 16 x 6+2-Pin PCI-E Connector16 x 5-Pin SATA Connector 6 x 4-Pin Peripheral Connector2 x 4-Pin Floppy Connector | 1 x ATX Connector2 x EPS Connector2 x Floppy Connector8 x 4-Pin Peripheral Connector6 x PCI-E Connector10 x SATA Connector |
