ST85F-PT
- 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
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| Designed for 80 PLUS Platinum level of efficiency to reduce wasted heat and save on electricity. | 100% moudlar cable design for use with short cable kit such as SilverStone’s PP05-E or for easy removal in a case with cable routed and tied down. | |
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| Flat cables have much greater flexibility to allow for tighter folding and management of cables. | 140mm depth sets new standard for high wattage PSUs with modular cables. | |
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| Powerful single +12V rail design, perfect for future high-end component upgrades or overclocking. | ±3% regulation and low ripple & noise performance for high stability. | |
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| Ultra-quiet 120mm fan with intelligent RPM control guarantees cool performance and silent operation with minimum of 18dBA during fan operation. The fanless mode operation deactivates when PSU’s loading reaches 20%. |
Product Specifications
Product No.
SST-ST85F-PT
Color
Black（Lead-Free Paint）
Max. DC Output
850W
Power density
471W per liter
Load Range
| Output | +3.3V | +5V | +12V | +5VSB | -12V |
|---|---|---|---|---|---|
| Max.(Amps) | 22A | 22A | 70.9A | 3.0A | 0.3A |
| Peak (Amps) | / | / | / | / | / |
| Min.(Amps) | 0A | 0A | 0A | 0A | 0A |
| Range (%) | ±3% | ±3% | ±3% | ±5% | ±10% |
| Line Reg.(%) | ±1% | ±1% | ±1% | ±1% | ±1% |
| Ripple(mVp-p) | 50mV | 50mV | 120mV | 50mV | 120mV |
Combined +3.3V & +5V
120W
Combined +12V
850W
Input Voltage
90V~264V
Input Frequency Range
47Hz~63Hz
PFC
Active PFC（PF>0.9 at full load）
Efficiency
89%~92% at 20%~100% loading
MTBF
100,000 hours
Operating temperature
0°C ~ 40°C
Protection
Over current protection
Over power protection
Over voltage protection
Short circuit protection
Under voltage protection
Over temperature protection
Over power protection
Over voltage protection
Short circuit protection
Under voltage protection
Over temperature protection
Connectors
1 x 24 / 20-Pin motherboard connector（550mm）
1 x 8 / 4-Pin EPS / ATX 12V connector（750mm）
1 x 8 / 4-Pin EPS / ATX 12V connector（550mm）
4 x 8 / 6-Pin PCIE connector（"550mm" x 4）
12 x SATA connector（"600mm / 150mm / 150mm / 150mm" x 3）
3 x 4-Pin Peripheral connector（600mm / 150mm / 150mm）
1 x 4-Pin Floppy connector（100mm）
1 x 8 / 4-Pin EPS / ATX 12V connector（750mm）
1 x 8 / 4-Pin EPS / ATX 12V connector（550mm）
4 x 8 / 6-Pin PCIE connector（"550mm" x 4）
12 x SATA connector（"600mm / 150mm / 150mm / 150mm" x 3）
3 x 4-Pin Peripheral connector（600mm / 150mm / 150mm）
1 x 4-Pin Floppy connector（100mm）
Cooling System
Single 120mm silent fan
Noise Level
0 ~ 28 dBA
Certification
80 PLUS Platinum
Form factor
ATX
Dimension
150 mm (W) x 86 mm (H) x 140 mm (D)
Weight
2.54 kg
Other
If you want to connect four SSDs on one SATA cable, please note that the total +5V output of each cable cannot exceed 5A. We recommend installing on two independent SATA cables to avoid overloading on the cables.
● Specifications presented on this page contains most recent revisions and may differ from those printed on retail boxes or manuals.
This PSU’s motherboard connector includes a 4pin sense wire that needs to be connected to the PSU’s modular interface as shown. Sense wire helps improve PSU’s regulation performance by around 1%-2%.
● Specifications presented on this page contains most recent revisions and may differ from those printed on retail boxes or manuals.
This PSU’s motherboard connector includes a 4pin sense wire that needs to be connected to the PSU’s modular interface as shown. Sense wire helps improve PSU’s regulation performance by around 1%-2%.
File Download
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3.44 MB
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v1.0
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128.56 KB
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V1.0
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375.06 KB
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262.85 KB
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V1.0
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File Size
21.56 MB
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Product Reviews
Q & A
Please refer to the following PDF.
Please refer to the following PDF.