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Silverstone Evolution 850W 80 Plus Gold 100% Modular Single +12V Rails W/70A Silent 135mm Fan Filter

Silverstone Evolution 850W 80 Plus Gold 100% Modular Single +12V Rails W/70A Silent 135mm Fan Filter - 1
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Silverstone Evolution 850W 80 Plus Gold 100% Modular Single +12V Rails W/70A Silent 135mm Fan Filter - 68725_l.jpg Silverstone Evolution 850W 80 Plus Gold 100% Modular Single +12V Rails W/70A Silent 135mm Fan Filter - 68725_1.jpg Silverstone Evolution 850W 80 Plus Gold 100% Modular Single +12V Rails W/70A Silent 135mm Fan Filter - 68725_2.jpg Customer Photos (0)
Silverstone Technology

Reg. Price: $184.99  CAD
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   Shipping Weight:   9 lbs
   Part #: ST85F-G Evolution

Features    [ Edit | History ]
To make great power supplies even better, SilverStone engineers delved into the details with the Strider Gold series. In order to reduce the already low noise generated by the Strider Gold, they replaced the fan with SilverStone’s own Air Penetrator , which has superb cooling ability and is equipped with fluid dynamic bearing. This allowed for reprogramming of the fan controller to enable lower fan speed at any given loading condition compared to the predecessor. Various components were also re-tested and replaced with newer versions for minor boost in efficiency and performance. An excellent FF141 fan filter with magnets is even included in the package for use to reduce dust buildup.

With the fan and component upgrades, the Strider Gold Evolution series will again encompass wattage range from 750W to 1200W with 80 PLUS Gold level efficiency, ±3% voltage regulation, ±3% ripple & noise, and high amperage single +12V rail as its main features. For discerning users looking to get a top-notch power supply with all features covered and more, this is the perfect solution.

  • 80 PLUS Gold certification with high efficiency 88%~91% at 20%~100% loading
  • Ultra silent 139mm Air Penetrator fan with fluid dynamic bearing
  • FF141 magnetized fan filter included
  • 100% modular cables
  • 850W (950W peak power) 24hour fully continuous power output with 40? operating temperature
  • Class-leading single +12V rail with 70A
  • Strict ±3% voltage regulation and low ripple & noise
  • Japanese main capacitors
  • Dual EPS 8pin with multiple PCI-E 8pin and PCI-E 6pin connectors support
  • Support ATX 12V 2.3 & EPS 12V


Specifications    [ Edit | History ]
Model No.
SST-ST85F-G Evolution
Max. DC Output
850W (Peak 950W)
Load Range
+3.3V +5V +12V1 +5VSB -12V
22A 25A 70A 3.5A 0.3A
0.3A 0.3A 0.1A 0.1A 0A
Range (%)
±3% ±3% ±3% ±5% ±10%
Line Reg.(%)
±1% ±1% ±1% ±1% ±1%
50mV 50mV 120mV 50mV 120mV
combined +3.3, +5V
combined +12V
840W / 70A
Input Voltage
Input Frequency Range
47Hz ~ 63Hz
Active PFC.(PF>0.95 at Full Load)
88%~91% at 20%~100% loading
100,000 hours at 25°C(at Full Load)
Operating temperature
0°C ~ 40°C
Over Current Protection
Over Power Protection
Over Voltage Protection
Over Temperature Protection
Under voltage protection
Short Circuit Protection
No Load Protection
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)
2 x 8/6-Pin PCIE connector (550mm)
2 x 6-Pin PCIE connector (550mm)
8 x SATA connector (600mm / 150mm / 150mm/150mm)
6 x 4-Pin Peripheral connector (600mm / 150mm / 150mm)
2 x 4-Pin Floppy connector (600mm / 150mm / 150mm / 150mm)
Black (scratch resistant and lead-free paint)
Cooling System
Ultra silent 139mm Air Penetrator fan with fluid dynamic bearing
Noise Level
150 mm (W) x 86 mm (H) x 180 mm (D)
3.085 kg
80 PLUS Gold

Silverstone Technology ST85F-G Evolution 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 ST85F-G Evolution reviews.
Experience: 1 Months
Quality of construction.
Highly efficient.
Modular, braided sleeved cables.
Could have used an extra SATA connector cable and would not have missed one less 4-pin peripheral connector cable.
I'm biased as over the years I've tried all of the major brands for power supplies and in the last eight or so years I haven't found a power supply as consistently reliable as Silverstone's.

Silverstone power supplies use quality components in their construction, delivering both the performance and longevity one would expect for the premium cost. They are worth every penny and this power supply has not been an exception.

The fan is virtually silent and when the case is closed I am unable to hear the fan over that of the video card within the case, at a distance of approximately two feet. I am a huge fan of silence, so this is a feature I look for whenever I am picking components for a build.

Rails are all rock solid, delivering the appropriate voltage with absolutely no fluctuation observed in a fifteen minute span.

I found the SATA connector arrangement to be limiting - with the absolute rarity in devices that use the 4-pin peripheral connections these days I feel that including two cables, with three 4-pin peripheral connectors and a single 4-pin floppy connector per cable, was unnecessary and would have preferred additional SATA options. Additional SATA cables can be ordered seperately but I think that an extra SATA cable should probably be the rule now and not the exception with modern systems favoring all SATA connected devices.

There is plenty of competition with power supplies sporting similar specifications in the same price range. Many of those competitors do not have the long, rock solid history that Silverstone has backing it's products. I'd recommend this power supply to anyone looking for a highly efficient and silent PSU - look no further for this should be your first choice!

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