Power Supplies
ST55F-G (V1.X)
To meet the ever higher requirements imbued by professional users and enthusiasts alike, SilverStone created the Strider Gold series power supplies. The Strider Gold models are built on similar platform as the award-winning Strider Plus series but with even higher efficiency ratings.
The Strider Gold series will encompass wattage range from 550W to 1200W for a great variety of applications. With a 140mm depth for easy intgration, the ST55F-G is the world shortest modular ATX PSU. In addition to 80 PLUS Gold level efficiency, all models are built to meet very high standards in electrical performance so they have ±3% voltage regulation, ±3% ripple & noise, and high amperage single +12V rail. Other notable features also included are 24/7 40℃ continuous output capability, low-noise 120mm fan, and multiple sets of PCI-E cables. For users looking for a power supply with faultless combination of performance, efficiency, and quality, there is no need to look beyond the Strider Gold Series.
| Model No. |
SST-ST55F-G (V1.X)
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| Max. DC Output |
550W(Peak 600W)
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| Power density |
305W per liter
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| Color |
Black (lead-free paint)
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| Combined +3.3V & +5V |
140W
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| Combined +12V |
540W / 45A
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| Input Voltage |
90V~264V
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| Input Frequency Range |
47Hz ~ 63Hz
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| PFC |
Active PFC.（PF>0.95 at Full Load）
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| Efficiency |
87%~90% at 20%~100% loading
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| MTBF |
100,000 hours at 25°C（at Full Load）
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| Operating temperature |
0°C ~ 40°C
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| Protection |
Over current protection
Over power protection Over voltage protection Over temperature protection Under voltage protection Short circuit protection No Load Protection |
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| Connectors |
1 x 24 / 20-Pin motherboard connector（550mm）
1 x 8 / 4-Pin EPS / ATX 12V connector（550mm） 1 x 8 / 6-Pin PCIE connector（550mm） 1 x 6-Pin PCIE connector（550mm / 150mm） 8 x SATA connector（500mm / 150mm / 150mm） 3 x 4-Pin Peripheral connector （500mm / 150mm / 150mm） 1 x 4-Pin Floppy connector（500mm / 150mm / 150mm / 150mm） |
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| Cooling System |
Single 120mm silent fan
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| Noise Level |
18 dBA minimum
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| Dimension |
150 mm (W) x 86 mm (H) x 140 mm (D)
5.91" (W) x 3.39" (H) x 5.51" (D) |
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| Weight |
2.2kg
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| Certification |
80 PLUS Gold
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| Other |
GPU Support list
Compatible with ATX12V v2.4 |
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| ● Specifications presented on this page contains most recent revisions and may differ from those printed on retail boxes or manuals. |
Dimensions and cable pinout diagram |