Toughpower SFX 550W Gold - TT Premium Edition Toughpower SFX 550W Gold - TT Premium Edition Toughpower SFX 550W Gold - TT Premium Edition Toughpower SFX 550W Gold - TT Premium Edition Toughpower SFX 550W Gold - TT Premium Edition
Toughpower SFX 550W Gold - TT Premium Edition

Toughpower SFX 550W Gold - TT Premium Edition

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The latest SFX form factor power supply with 80 PLUS Gold certification

Toughpower SFX 550W Gold

The Toughpower SFX 550W Gold is an upgraded version of our previous SFX form factor PSUs, targeting users who are using Mini ITX cases or other compact cases. The dimensions of the PSU are 100mm (D) x 125mm (W) x 63.5mm (H) as standard profile. Moreover, it is constructed with premium components and advanced technology which makes this PSU a reliable and stable power supply unit. With an ample 7-year warranty, the Toughpower SFX 550W Gold can satisfy the market where PC enthusiasts are looking for a premium power supply with all the latest features.

100 mm
63.5 mm
125 mm

Ultra Quiet 90mm Hydraulic Bearing Fan

The fan in the Toughpower SFX 550W Gold is a 90mm hydraulic bearing fan that can intake more air to cool down the power supply compared to previous Thermaltake SFX form factor PSUs.

SFX to ATX Adapter Bracket

The Toughpower SFX 550W Gold comes with an SFX to ATX adapter bracket as an accessory which gives users more options when choosing the ideal case for the build.

Zero RPM Smart Fan

To maximally reduce undesired noise, the 90mm Hydraulic Bearing Fan is also designed to be a temperature controlled Zero RPM Smart Fan. It will not operate when the PSU is at low working loads.

<30mV Low Ripple Noise

All ripples are lower than 30mV on +12V, +5V or +3.3V from 0% to 100% load to ensure a stable operation and keep your performance-critical components to function reliably for longer.

+12V Rail
120 mV
30 mV
+5V Rail
50 mV
30 mV
+3.3V Rail
50 mV
30 mV

Intel Specification Toughpower SFX Series

Extremely Strict Voltage Regulation <±2%

The voltage regulation, more strict than Intel’s standard ±5% for major rails and ±10% for -12V, is set to no more than ±2% for major rails to meet the highest performance.

+12V, +5V, +3.3V Voltage Regulation
±5 %
±2 %

Intel Specification Toughpower SFX Series

Fully Modular Low-Profile Flat Cable

Toughpower SFX 550W Gold offers cable selection for users while powering the system at an advantageous voltage. Low-profile flat black cables make cable management easier, reduces clutter ,and increases airflow inside the chassis.

Main Power Connector (24pin)
24pin Main connector (300mm) x 1
ATX 12V (4+4pin)
ATX 12V 4+4pin connector (400mm) x 1
SATA (5pin)
SATA connectors (300mm + 150mm + 150mm) x 3
PCI-E (6+2pin)
PCI-E 6+2pin connectors (400mm + 150mm) x 2
Peripheral (4Pin) & FDD
Peripheral connectors (300mm + 150mm) x 2
FDD Adapter
Peripheral to FDD adapter cable (150mm) x 1

Premium Japanese 105°C/221°F Capacitors.

It provides great durability as well as offering the highest stability, while remaining reliable.

High Amperage Single +12V Rail

Powerful single +12V rail ensures a stable and reliable supply to other PC components.

80 PLUS Gold Certified and Intel C6/C7 States Ready

Toughpower SFX 450W Gold saves energy through its high energy efficiency of up to 90% and is 80 PLUS® Gold certified. The series has been optimized to work with all generations of Intel’s processors to achieve maximum energy savings.

More Information
watts 550W
RGB Fan No
Form Factor SFX
Model SFX-550AH8FKG
Max. Output Capacity 550W
Peak Output Capacity 660W
Color Black
Dimension ( W / H / D ) 125mm(W) x 63.5mm(H) x 100mm(D)
Weight 0.845KG
PFC (Power Factor Correction) Active PFC
Power Good Signal 100-500 msec
Hold Up Time > 16msec at 80% of full load
Input Current 10A max.
Input Frequency Range 50Hz - 60Hz
Input Voltage 100V – 240V~
Operating Humidity 20% to 85%,non-condensing
Storage Temperature -40°C to + 55°C
Storage Humidity 10% to 95%, non-condensing
COOLING SYSTEM 9cm hydraulic bearing fan
Efficiency Meet 80 PLUS®Gold at 115Vac input.
MTBF 100,000 hrs minimum
Safety Approval CE/cTUVus/TÜV/FCC/BSMI/EAC/CCC/S-Mark/C-TICK
PCI-E 6+2pin 2

User Manual

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