15
Ultra Silent concept*
A multitude of electrical and mechanical optimizations ensure smooth operation, optimum air flow and very low
noise emission. This is supported by the be quiet! SilentWings fan with a high quality bearer and double-sided
flow-optimized fan blades.
*refers only to the bearing and the double-sided flow-optimized fan blades
Overclocking Key
The Overclocking Key groups the individual 12V rails to a single 12V rail.
You can enable the overclocking function permanently by setting the jumper provided directly at the power sup
-
ply. Or you can enable the overclocking function by pressing the switch on the slot cover provided as needed.
The overclocking key is connected to the power supply using the connector labeled accordingly.
When you switch on the overclocking function at the slot, a LED lights on the slot cover switch.
Important
: Only press the “Overclocking Key” when the power supply is switched off!
Only connect the overclocking key, or the jumper provided, to the Overclocking Key connector on the power
supply! Do not connect any other device – such as a fan – to this connector!
To ensure trouble-free system operations, you should disable the overclocking key if you do not need this
function
TECHNICAL ADVANTAGES
ATX 12V Version 2.3 + EPS 12V 2.92:
The be quiet! DARK POWER PRO
P9
Series offers customers a power supply compatible with the latest ATX12V
and EPS 12V specifications. It provides four separate 12V circuits that offer benefits with respect to system
reliability.
PCI Express connectors:
Our DARK POWER PROP9 Series power supplies have up to six 6 pin or 8 pin connectors as required for use
with PCI Express graphics cards.
Where possible please always follow the plug numbering to connect to the same graphic card. (PCIe 1 to VGA 1
and PCIe 2 to VGA 2)
Please note the important information on page 50.
20/24 Pin motherboard connectors:
Thanks to a main connector that is expandable from 20 to 24 pins, the Dark Power PRO series is also down-
wardly compatible with all current motherboard specifications.
This power supply does not support motherboards that require a -5V line and SOCKET A (462) motherboards.
Fan control with a gear-up impulse
Normal power adapter
operation and temperature
regulated fan control
Power
supply off
Time
Power
supply on
