LDLC US-550G, US-650G, US-750G, US-1000G, US-850G User Manual
USER’S GUIDE
LDLC US GOLD
POWER SUPPLY MODULAR UNIT ATX12V FORMAT
LDLC US-550G / LDLC US-650G / LDLC US-750G /
LDLC US-850G / LDLC US-1000G
USER’S GUIDE
LDLC US GOLD
EN
Preface
Every effort has been made to ensure that the information in this document
is accurate. However, the manufacturer and the distributor of this product
assume no responsibility for any error, omission in this document, or use of
the information contain herein.
Please preserve this manual for the life of the equipment.
Congratulations on your purchase!
INFORMATION ABOUT RECYCLING
This product bears the selective sorting symbol for waste electrical and electronic equipment
(WEEE).
This means that this product must be handled pursuant to European Directive 2002/96/EC in
order to be recycled or dismantled to minimize its impact on the environment.
For further information, please contact your local or regional authorities.
Electronic products not included in the selective sorting process are potentially dangerous for
the environment and human health due to the presence of hazardous substances.
USER’S GUIDE
LDLC US GOLD
EN
Carton contents
• LDLC US GOLD series Power Supply Unit
• Modular cable pack
• User Guide
• AC power cord
• PSU bag
Technical features
• A high performance for energy savings. 80 PLUS Gold Certication: High energetic
efficiency. The 80 PLUS Certication guarantees greater than 87%, 90% and 87%
efficiency at 20%, 50% and 100% operating loads, respectively.
• Japanese capacitors of 105°C nominal provides a quality reliability/performances.
• A single +12V monorail for a better current distribution.
• Active PCF. A correction of the active power factor >0.90 at full load that provides
a clean and reliable current.
• An advanced cable set covering all kind of PC.
• A DC fan of 120mm provides an excellent air ow with a very low noise level. 12V
DC, 66.5CFM/min, <34.5 dB(A), This fan is only for power supply internal cooling
purpose, not for system cooling.
• Hybrid mode:
◦ The Normal Fan Control setting (button pushed) enables the fan to rotate
continuously in Silent Mode and Cooling Mode, depending on the system load.
◦ The Hybrid Silent Fan Control setting (button not pushed) enables the power
supply to run in Fanless Mode up to 20 % (± 5 %) of the maximum rated
load at 25 degrees. When the load further increases, the fan control will keep
regulating perfect cooling through the Silent Mode or Cooling Modes.
80 PLUS Test Type
115V internal non-redundant 230V internal redundant
Power Supply use rate 10% 20% 50% 100% 10% 20% 50% 100%
80 PLUS GOLD - 87% 90% 87% - 87% 90% 87%
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