be quiet! System Power B9 is specially designed to suit the needs of price-conscious PC builders.
- Cost effective and efficient handling
System Power B9 was designed to meet the needs of system integrators. The PSU is very cost-efficient and ensures quick and easy handling to streamline the production of pre-configured PCs.
- Very quiet operation
System Power B9 is equipped with a temperature-controlled fan. This ensures its operation produces the low noise that be quiet! is famous for.
- A complete range of safety features
Top component protection with a full suite of safety functions provide the ultimate in secure operation.
Power supply - active Power Factor Correction (PFC) - internal
AC 200-240 V
Power Output Connectors Details
1 x power 24 pin ATX with detachable 4 pin section ¦ 1 x power 4 pin ATX12V connector ¦ 2 x 4 PIN internal power ¦ 4 x 15 pin Serial ATA power
+3.3, +5, ±12 V
+3.3V - 17 A ¦ +5V - 15 A ¦ +12V1 - 18 A ¦ +12V2 - 14 A ¦ -12V - 0.3 A ¦ +5VSB - 2.5 A
85% at 100% Load, 87% at 50% Load, 84% at 20% Load
80 PLUS Certification
Power cable 1.5 m
Overheat protection, over current protection, over voltage protection, overload protection, undervoltage protection, dual 12V rails, short-circuit protection, temperature controlled fan, Double Forward circuit design, sleeve bearing cooling fan
TUV, CB, RoHS, WEEE, ERP, RCM, CU
Service & Support
Limited warranty - 3 years
Max Operating Temperature
Dimensions & Weight