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Silverstone ST55F-PT power supply unit 550 W 20+4 pin ATX ATX Black

£307.49
Out of stock
SKU
SST-ST55F-PT
550 W, ATX, 28 dB, 8 x SATA
As desktop computers continue to advance toward ever more efficient and smaller designs, SilverStone is helping to drive the efficiency movement by releasing the Strider Platinum series of power supplies. Created to be the smallest fully modular ATX power supplies with 80 PLUS Platinum efficiency, they are also incredibly quiet with the ability to run in fanless mode. If the loading condition is below 20%, the fan in the power supply can remain off for silent operation during idle or low powered computing activities. Other great features inherited from previous Strider series include ±3% regulation, powerful single +12V rail, 24/7 continuous power output, and multiple PCI-E cables. For those looking to build highly efficient systems in small footprints, the Strider Platinum is definitely the best choice.

- Compact design with a depth of 140mm for easy integration
- High efficiency with 80 PLUS Platinum certification
- 100% modular cables
- 24/7 continuous power output with 40℃ operating temperature
- Class-leading single +12V rail
- Strict ±3% voltage regulation and low ripple & noise
- Ultra silent 120mm fan with intelligent semi-fanless operation
More Information
featured No
SKU SST-ST55F-PT
EAN 4710007222317
Specification
Cooling
Fan diameter12 cm
Number of fans1 fan(s)
Performance
On/off switchYes
Power supply unit (PSU) form factorATX
80 PLUS certification80 PLUS Platinum
PurposePC
Noise level28 dB
Mean time between failures (MTBF)100000 h
Harmonized System (HS) code84733020
Design
80 PLUS certification80 PLUS Platinum
Product colourBlack
Fan diameter12 cm
On/off switchYes
Number of fans1 fan(s)
Power
Total power550 W
AC input voltage90 - 264 V
AC input frequency47 - 63 Hz
Power factor0.9
Power Factor Correction (PFC) typeActive
Maximum input current (@110V)+12V,+3.3V,+5V,+5Vsb,-12V
Combined power (+3.3V)105 W
Combined power (+12V)550 W
Combined power (+5V)105 W
Max output current (+3.3V)20 A
Max output current (+12V)45.9 A
Max output current (+5V)20 A
Max output current (-12V)0.3 A
Max output current (+5Vsb)3 A
Power protection featuresOver current, Over power, Over voltage, Overheating, Short circuit
Efficiency92%
Ports & interfaces
Motherboard power connector20+4 pin ATX
Number of SATA power connectors8
Peripheral (Molex) power connectors (4-pin)6
EPS power connector (8-pin)Yes
PCI Express power connectors (6+2 pin)2
PCI Express connectorYes
Floppy drive power connector2
Floppy disk drive connectorYes
ATX power connector (20+4 pin)Yes
Cabling typeModular
Operational conditions
Operating temperature (T-T)0 - 40 °C
Weight & dimensions
Width160 mm
Depth140 mm
Height86 mm
Weight2.15 kg
Certificates
80 PLUS certification80 PLUS Platinum
Logistics data
Harmonized System (HS) code84733020
Other features
Harmonized System (HS) code84733020
Manufacturer Silverstone
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