| Product name | Thermaltake SMART Series SP-750PCBUS | CORSAIR CP-9020121-NA | Rosewill CAPSTONE Series CAPSTONE 650M |
| Popularity | 80 | 80 | 80 |
| Rating | | | |
| Shopineer score | 78 | 78 | 78 |
| Price | $64.99 | $64.99 |  $89.99 |
| Brand | Thermaltake | CORSAIR | Rosewill |
| Type | ATX 12V 2.3 | ATX12V | ATX12V v2.31 & EPS12V v2.92 |
| Maximum Power | 750W | 550W | 650W |
| Fans | 1 x 120mm cooling fan | 1 x 120mm thermally controlled rifle bearing fan | 1 x 135 mm Fan |
| PFC | Active | Active | Active |
| Main Connector | 24Pin | 24Pin | 20+4Pin |
| +12V Rails | Single | Single | Single |
| PCI-Express Connector | 4 x 6+2-Pin | 2 x 6+2-Pin | 4 x 6+2-Pin |
| SATA Power Connector | 8 | 5 | 8 |
| SLI | | | SLI Ready |
| Haswell Support | | | Certified |
| CrossFire | | | CrossFire Ready |
| Modular | | | Semi-Modular |
| Energy-Efficient | 80 PLUS BRONZE Certified | 80 PLUS BRONZE Certified | 80 PLUS GOLD Certified |
| Over Voltage Protection | | Yes | +3.3V, +5V, +12V |
| Input Voltage | 100 - 240 V | 100 - 240 V | 100 - 240 V |
| Input Frequency Range | 47 - 63 Hz | 47 - 63 Hz | 47 - 63 Hz |
| Input Current | 10 A | 10 - 5 A | 10A |
| Output | +3.3V@25A, +5V@25A, +12V@62A, -12V@0.8A, +5VSB@3.0A | +3.3V@25A, +5V@20A, +12V@45.8A, -12V@0.8A, +5CXB@3A | +3.3V@20A,+5V@20A,+12V@54A,-12V@0.3A,+5VSB@2.5A |
| MTBF | 100,000 hrs minimum | | >100,000 Hours |
| Approvals | UL, CUL, TUV, CE, FCC and BSMI | FCC, ICES, CE, UL, cUL, RCM, TUV, CB, CCC, BSMI, EAC, RoHS, WEEE, KC | cTUVus, FCC, CE, UL |
| Dimensions | 3.39 x 5.91 x 6.30 | 5.91 x 5.51 x 3.39 | 5.91 x 3.35 x 6.42 |
| Weight | 5.8 lbs. |  3.81 lbs. | 3.52 lbs. |
| Connectors | 1 x 24-Pin1 x CPU 4+4-Pin4 x PCI-e 6+2-Pin8 x SATA4 x 4-Pin Peripheral1 x 4-Pin Floppy | 1 x 24-pin ATX Cable1 x EPS12V/ATX12V Cable (4+4)2 x PCIe Cable (6+2)5 x SATA Cable 4 x PATA Cable | Fixed: 1x 20+4-Pin Main Connector1x 4+4-Pin ATX12V/EPS12V ConnectorModular: 4x 6+2-Pin PCI-E Connector5x 4-Pin Peripheral Connector8x 5-Pin SATA Connector1x 4-Pin Floppy Connector |
