| Product name | RAIDMAX Scorpio series RX-635AP-S | RAIDMAX Scorpio series RX-535AP-S | Antec VP PLUS series VP500 Plus |
| Popularity | 80 | 80 | 80 |
| Rating | | | |
| Shopineer score | 78 | 78 | 78 |
| Price | $44.99 | $44.99 |  $50.98 |
| Brand | RAIDMAX | RAIDMAX | Antec |
| Type | ATX12V / EPS12V | ATX12V / EPS12V | ATX12V / EPS12V |
| Maximum Power | 635W | 535W | 500W |
| Fans | 1 x 135 mm Fan | 1 x 135mm low-noise thermal controlled Fan | 120mm Silent Fan |
| PFC | No | No | Active |
| Main Connector | 20+4Pin | 20+4Pin | 20+4Pin |
| +12V Rails | Single | Single | Single |
| PCI-Express Connector | 2 x 6+2-Pin | 2 x 6+2-Pin | 2 x 6+2-Pin |
| SATA Power Connector | 6 | 6 | 7 |
| SLI | SLI Ready | SLI Ready | |
| Haswell Support | | Ready | |
| CrossFire | CrossFire Ready | CrossFire Ready | |
| Modular | Modular | Modular | Non-Modular |
| Energy-Efficient | 80 PLUS BRONZE Certified | 80 PLUS BRONZE Certified | 80 PLUS Certified |
| Over Voltage Protection | Yes | Yes | Yes |
| Input Voltage | 110 - 240 V | 110 - 240 V | 100-240 VAC +/- 10% |
| Input Frequency Range | 50/60 Hz | 50/60 Hz | 47 - 63 Hz |
| Input Current | 15 A | 15 A | 8 - 4 A |
| Output | +3.3V@20A, +5V@20A, +12V@48A, -12V@0.3A ,5VSB@2.5A | +3.3V@20A, +5V@20A, +12V@40A, -12V@0.3A ,5VSB@2.5A | +3.3V@18A, +5V@16A, +12V@38A, -12V@0.3A, +5VSB@2.5A |
| MTBF | >100,000 Hours | >100,000 Hours | |
| Approvals | FCC, CE, CB, BSMI, TUV, cTUVus | ErP, FCC, CE, CB, BSMI, TUV, cTUVus | TUV / cTUVus / CB / CE / FCC |
| Dimensions | 3.50 x 6.25 x 5.75 | 3.50 x 6.25 x 5.75 | 3.39 x 5.91 x 5.51 |
| Weight | 4.32 lbs. |  4.1 lbs. | 3.76 lbs. |
| Connectors | 1 x 20+4-Pin Main Connector1 x 4+4-Pin ATX12V/EPS12V Connector2 x 6+2-Pin PCI-E Connector6 x 5-Pin SATA Connector3 x 4-Pin Peripheral Connector1 x 4-Pin Floppy Connector | 1 x 20+4-Pin Main Connector1 x 4+4-Pin ATX12V/EPS12V Connector2 x 6+2-Pin PCI-E Connector6 x 5-Pin SATA Connector3 x 4-Pin Peripheral Connector1 x 4-Pin Floppy Connector | 1 x MB 24(20+4) Pin1 x 8(4+4) Pin EPS 12V2 x 8(6+2) Pin PCI-E7 x SATA2 x Molex1 x FDD |
