LC5550 V2.2 - Silent Series

The SILENT SERIES by LC-POWER offers a good price-performance ratio: thanks to its 120mm fan, the LC5550 V2.2 lets you experience a stress-free and silent work in your office as well as at home. Despite the low sound level, the power supply offers a good cooling capacity for your system thanks to its ventilation grille on its back.

The power supply features all current connectors of the office and mid-range sector. Besides current mainboards you can connect several SATA and PATA hard disk drives respectively optical drives. A graphic card can be added due to the PCI-Express connector.

The state-of-the-art energy saving technology decreases the power consumption in standby mode (0,4W) and increases the efficiency of the power supply up to 87%!

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Power supply typeSilent Series
ATX standardATX V2.2
20+4 pin mainboard1x 45 cm
4+4 pin mainboard 12V (EPS)1x 45 cm
PCI-Express1x PCI-Express 6+2 pin 45 cm
SATA4 (2x 45 / 2x 60 cm)
PATA2 (1x 45 / 1x 60 cm)
FDD- (FDD adapter separate available)
Mark of conformityCE / TÜV
Fan120 mm
Dimension h x w x d86 x 150 x 140 mm
Weight (retail)1,624 kg
Power rating550W
max. combined135W
max. combined400W
Efficiencyup to 87%
Standby consumption0,4W - ErP 2013
Temperature control for case fanyes
Security circuitryOVP = Over-Voltage Protection
OCP = Over-Current Protection
OPP = Over-Power Protection
SCP = Short-Circuit Protection
UVP = Under-Voltage Protection
Full range (110V/220V)no
Haswell compatibleyes
Manufacturer codeLC5550 V2.2


80 PLUS® BRONZE certified

1x PCI-Express V2.0 6+2 pin connector

Incl. Active PFC (power factor correction for an efficient use of the spent energy) and all relevant safety circuitry

Datasheet for PSU LC5550 V2.2