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Silverstone Gemini ST55GF 550+550W ATX12V EPS12V Redundant Power Supply Active PFC

Silverstone Gemini ST55GF 550+550W ATX12V EPS12V Redundant Power Supply Active PFC - 1
Actual product may not be exactly as shown.
Silverstone Gemini ST55GF 550+550W ATX12V EPS12V Redundant Power Supply Active PFC - 77921_l.jpg Customer Photos (0)
Silverstone Technology
Reg. Price: $469.99  CAD
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   Shipping Weight:   8 lbs
   Part #: ST55GF
 May We Also Suggest

Features    [ Edit | History ]

For users with mission-critical systems or file servers, nothing is more important than a power supply with always up reliability and redundancy. With the pervious venerable Gemini ST46GF model as the starting point, SilverStone ST55GF improves every aspect of the former from specification to user impression. By combining proven industrial grade components and a focus on performance, the amazing dual 550W independent power packs stowed inside a PS/2 frame enable the possibility to enjoy the bullet-proof security of a 24/7 server in just about any case and any system!

  • 550W + 550W PS/2 redundant power supply
  • Hot swappable
  • Industry-leading reliability
  • Durable zinc-plated surface
  • Convenient pull-out handle bars


Specifications    [ Edit | History ]
Model No.
Max. DC Output
                 Load Range
+3.3V +5V +12V1 -12V +5VSB
24A 30A 41A 1A 2A
1A 1A 2A 0A 0.1A
Range (%)
±5% ±5% ±5% ±5% ±5%
Line Reg.(%)
±1% ±1% ±1% ±1% ±1%
50mV 50mV 120mV 120mV 50mV
combined +3.3, +5V
combined +12V
Input Voltage
Input Frequency Range
47Hz ~ 63Hz
Active PFC.(PF>0.98 at Full Load)
68%.(Typical Loading)
100,000 hours at 25?.(at Full Load)
Operating temperature
0°C ~ 40°C
Over Current Protection.
Over Power Protection.
Under Voltage Protection.
Over Voltage Protection.
Short Circuit Protection.
1 x 24-Pin Motherboard connector.(500mm)
1 x 8-Pin EPS12V connector.(500mm)
1 x 4-Pin ATX 12V connector.(500mm)
2 x Dual 4-Pin IDE & connectors.(500mm + 150mm)
2 x Dual 4-Pin IDE & 2 × Floppy Power connectors.(500mm + 150mm + 150mm)
2 x Dual SATA connector.(500mm / 150mm)
1 x 6-Pin PCIE connector.(550mm / 150mm)
Cooling System
Dual 40 mm Fan x 2
Noise Level
50 dBA
150 mm (W) x 85 mm (H) x 200 mm (D)
4.75 kg
Form factor

Silverstone Technology ST55GF Customer Reviews

Product reviews on are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding Silverstone Technology ST55GF reviews.
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Product Warranty
NCIX provides a 30 day limited warranty on this product.  The remainder of the 1 year warranty is provided by the manufacturer.    Warranty length may vary depending on manufacturer and product.
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