- The NITRO II 85+ series expands CHIEFTEC's power supply portfolio for demanding users. The board design with advanced technology as well as high end components guarantee the top quality of the power supplies. BPS-450S2 is silent and powerful, its energy efficiency saves the environment and your money.
BPS-550S2
NITRO II SERIES

SPECIFICATIONS
| AC Input | 100V-240V / 8A |
| Frequency | 47 - 63Hz |
| +5V | 15A |
| +3,3V | 24A |
| +5V & +3,3V combined | 120W |
| +12V 1 | 42A / 504W |
| +12V 2 | N/A |
| +12V 1 & +12V 2 combined | N/A |
| +12V 3 | N/A |
| +12V 4 | N/A |
| +12V 3 & +12V 4 combined | N/A |
| P.F. | >0,9 |
| -12V | 0,8A |
| +5VSB | 3,0A |
| Maximum Load | 550W |
| 20+4PIN ATX | 1 |
| SATA | 6 |
| MOLEX | 3 |
| Floppy | 1 |
| 4PIN 12V | - |
| 8PIN 12V | - |
| 8PIN (4+4) 12V | 1 |
| 6PIN PCIe | - |
| 8PIN (6+2) PCIe | 2 |
| Spezification | ATX 12V 2.3 |
| Form factor | PS II |
| Efficiency | >85% |
| Dimension (DxWxH) | 140 mm x 150 mm x 87 mm |
| PFC | Active PFC (0,9) |
| Fan | 120mm silent fan |
| Security | AFC (Automatic Fan speed Control) OPP (Over Power Protection) OVP (Over Voltage Protection) SCP (Short Circuit Protection) UVP (Under Voltage Protection) |
| Warranty | 24 Months |