be quiet! 750W Power Zone BN211 User Manual
Product codes
BN211
The fan control system generates a start-up signal. This short, high-voltage burst ensures that all the
connected fans in the case will start together each time.
connected fans in the case will start together each time.
Important: Connect only one fan per cable.
COOL*OFF Function:
The so called COOL*OFF Function stands for a fan follow-up control. Usually, fans stop running after
the PC has been turned off, even though there is still a lot of heat inside the case. This problem is solved
by be quiet! with the COOL*OFF Function. Thanks to this feature, fans run for three minutes after shut
down to protect your valuable components at their time of maximum heat stress.
The so called COOL*OFF Function stands for a fan follow-up control. Usually, fans stop running after
the PC has been turned off, even though there is still a lot of heat inside the case. This problem is solved
by be quiet! with the COOL*OFF Function. Thanks to this feature, fans run for three minutes after shut
down to protect your valuable components at their time of maximum heat stress.
be quiet!'s best fan available:
Variable speed 135mm SilentWings fan with airflow-optimized blades and thin design enhances airflow,
reduces turbulence. Fluid Dynamic Bearing with copper core quiets operation and lengthens fan
lifespan. The special 6-pole motor reduces power consumption and vibration.
Variable speed 135mm SilentWings fan with airflow-optimized blades and thin design enhances airflow,
reduces turbulence. Fluid Dynamic Bearing with copper core quiets operation and lengthens fan
lifespan. The special 6-pole motor reduces power consumption and vibration.
4. TECHNICAL ADVANTAGES
ATX 12V Version 2.4 + EPS 12V 2.92:
The be quiet! PowerZone series offers customers a power supply compatible with the latest ATX12V
and EPS 12V specifications.
The be quiet! PowerZone series offers customers a power supply compatible with the latest ATX12V
and EPS 12V specifications.
PCI Express connectors:
Our PowerZone series power supplies have up to six PCIe Connectors (6+2-Pin) as required for use with
PCI Express graphics cards. Where possible please always follow the plug numbering to connect to the
same graphic card. (VGA1 to graphic card 1 and VGA2 to graphic card 2)
Our PowerZone series power supplies have up to six PCIe Connectors (6+2-Pin) as required for use with
PCI Express graphics cards. Where possible please always follow the plug numbering to connect to the
same graphic card. (VGA1 to graphic card 1 and VGA2 to graphic card 2)
Please note the important information on page 58.
20/24 Pin motherboard connectors:
Thanks to a main connector that is expandable from 20 to 24 pins, the PowerZone series is also
downwardly compatible with all current motherboard specifications.
This power supply does not support motherboards that require a -5V line and SOCKET A (462)
motherboards.
Thanks to a main connector that is expandable from 20 to 24 pins, the PowerZone series is also
downwardly compatible with all current motherboard specifications.
This power supply does not support motherboards that require a -5V line and SOCKET A (462)
motherboards.
8
9
2
4
6
8
10
12
PSU off
Fan voltage (V)
Time
Turn on
0.5 - 1sec
PSU in operation
PSU off
3 minutes
after PSU shut in stand by
Fan is temperatur
e contr
olled
PSU fan
external fan connectors
external fan connectors
Point where PC-system step
into “stand by” mode
same voltage
COOL*OFF Function »