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Silverstone > 
Item#: N82E16817256045

SILVERSTONE ST70F 700W ATX12V / EPS12V SLI CrossFire 80 PLUS Certified 100% Modular Cables Active PFC Power Supply

  • ATX12V / EPS12V
  • 100% Modular Cables
  • 80 PLUS Certified
  • 100 - 240 V 47 - 63 Hz
  • +3.3V@24A,+5V@30A,+12V1@18A,+12V2@18A, +12V3@18A,+12V4@18A,-12V@0.5A,+5VSB@3.0A
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You've just upgraded to an SLI or Crossfire video card, and now you need a little more power from your power supply. Silverstone just might be the answer to your need.

Rated at 700 Watts and greater than 80% efficiency, it also features RoHS compliance and active power factor control, making this one of the "greener" power supplies around. Modular cables allow you to install only as much cabling as you actually need. This saves room and preserves clear airflow inside your case. Four +12Vdc rails for clean but heavy-duty power distribution, while 100K hours MTBF means reliability.

With four PCI-E6 and one PCI-E8 connections, two floppy drive and six peripheral and six SATA connections, you won't run out of connectors soon. Whether you're running a server or you're a hard-core gamer, this power supply can do the job. Check out the specs for yourself and decide, but this could be the power supply you need.

  • newegg ATX12V and EPS12V Compatible Compatible with the ATX12V v2.3 and EPS12V v2.91 standards, the Silverstone ST70F provides maximum power stability to drive the processors as well as other components for desktop and server computer systems.
  • newegg 700W Maximum Power The Silverstone ST70F power supply provides a maximum power of 700W to deliver safe, reliable output for high-end computer systems. Four industry-leading independent +12v rails are provided for more stable and safer power output.
  • newegg 80 Plus Certified The 80 PLUS certified power supply provides high power efficiency of at least 80% at any load between 20% and 100%, saving your money on your electrical bill, reducing heat in your computer's system and prolonging its life.
  • newegg Five PCI-E Connectors With four 6-pin and one 8-pin PCI-E connectors, the Silverstone ST70F is ideal for building up a SLI or CrossFire gaming system.
  • newegg 135mm Silent Cooling Fan The Silverstone ST70F features a 135mm silent fan for increased overall airflow and heat dissipation in the power supply enclosure.

Learn more about the Silverstone ST70F

Model

Brand
SILVERSTONE
Model
ST70F

Spec

Type
ATX12V / EPS12V
Maximum Power
700W
Fans
Ultra Silent Running 135mm Fan With 18dBA
PFC
Active
Main Connector
20+4Pin
+12V Rails
4
PCI-Express Connector
4 x 6-Pin, 1 x 8-Pin
SATA Power Connector
6
SLI
SLI Ready
CrossFire
CrossFire Ready
Modular
100% Modular Cables
Efficiency
80% ~ 87% Efficiency at 20% ~ 100% Loading.
Energy-Efficient
80 PLUS Certified
Over Voltage Protection
Yes
Input Voltage
100 - 240 V
Input Frequency Range
47 - 63 Hz
Input Current
12A @ 115V, 6A @ 230V
Output
+3.3V@24A,+5V@30A,+12V1@18A,+12V2@18A,
+12V3@18A,+12V4@18A,-12V@0.5A,+5VSB@3.0A
MTBF
>100,000 Hours
Approvals
RoHS, CE, cUL, FCC, TUV

Features

Connectors
1 x Main connector (20+4Pin)
1 x 12V(P4)
1 x 12V(8Pin)
6 x peripheral
6 x SATA
2 x Floppy
4 x PCI-E 6Pin
1 x PCI-E 8Pin
Features
Ultra Silent Running 135mm Fan With 18dBA.
80% ~ 87% Efficiency at 20% ~ 100% Loading.
700W Continuous Power Output Rated.(Peak 780W)
Quad +12V With Continuous 50A Combined Output.
Quad PCI-E 6Pin, Single PCI-E 8Pin.
100% Modular Cables.

Manufacturer Warranty

Parts
3 years limited
Labor
3 years limited

Quick Info

Warranty

  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years


Customer Reviews of the Silverstone ST70F

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  • Dean S.
  • 12/12/2013 11:01:18 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsCapacitors failing

Pros: Modular, quiet at first

Cons: As others report, fan becomes noisy. Easy to remove fan and lubricate or replace [135mm]. However, when open, I saw 3 capacitors bulging at the tops and split, with dried electrolyte deposits and one other bulging capacitor. So another example of unreliable capacitors. Caps in good audio gear last 20+ years, this is pathetic.

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  • Robert T.
  • 11/5/2013 3:49:20 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsEnd of warranty = fail!

Pros: Fully modular

Cons: Died exactly 3 years in!

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  • Matt L.
  • 4/23/2013 8:23:47 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggsLasted about 4 years

Pros: It did its job well for 4 years. It stood up well to my intense system.

Cons: Choked and died on me just the other night.

Other Thoughts: I will find out soon if it took any components with it on the way out, I am certainly hoping that it didn't. I really did run this power supply awfully hard, played a lot of games on my comically power-hungry Radeon 4870 X2. If it died without harming anything else, then it was worth the cost. In my opinion, it should have lasted longer.

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  • Jaben C.
  • 12/2/2012 9:15:34 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsSame story as everyone else

Pros: Great Power Supply, while it lasted.

Cons: Disposable -- represents greed over collective good.

Other Thoughts: Died EXACTLY 3 years after I purchased it. Just stopped working.

I will go so far as to say it was most likely engineered to fail. Waste of resources. Won't purchase SilverStone again.

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  • matthew h.
  • 10/22/2012 5:24:12 PM
  • Tech Level: High
  • Ownership: more than 1 year

4 out of 5 eggsGreat while it lasted

Pros: Ran great for 1,400 Days -- or -- 200 Weeks and 0 Days
While it ran it I enjoyed the psu.

Cons: Failed at 1,400 Days -- or -- 200 Weeks and 0 Days wasn't doing anything different. Just wouldn't power on again.

Other Thoughts: Ordered a SeaSonic x750 today. Lets pray it last longer.

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  • Charles T.
  • 8/2/2012 11:31:53 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsFailed right after warranty expired

Pros: Powered fairly large system that's been on 24/7 for three years.

Cons: Failed right after warranty expired. Three years and two months - and it won't even power on.
How do they make these? How do they get them to fail right AFTER the warranty expires?? This is my second one that did it!

Other Thoughts: Not the quietest power supply - as it was advertised. And does generate considerable heat. But good for the three years it lasted.

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  • Christian G.
  • 1/19/2012 6:50:23 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsServed me well for just over 3 years..

Pros: It was awesome, stable, did everything I wanted.

Cons: It died today. 1197 days of awesome, gone. Warranty only 3 years so I guess I can't knock an egg for that, it did last as long as they warrantied it for.

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  • Andrew D.
  • 10/30/2011 4:17:46 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsFantastic supply!

Pros: I bought this back in 2008, and it's worked like a charm pushing clean levels of power non-stop for literally years. Definitely look at the Essentials Series model of this PSU since it's basically the exact same thing as this one. Well worth the money!

Cons: Cables are stiff as hell at first, takes a little bit of working before you can get them to move the way you want, afterwards, you'll love that you can kind of "mold" them around parts inside to fit snugly.

Other Thoughts: Mine finally died after going through basically 3 builds with ever increasing loads, most power supplies in this wattage would have given up after the second build but this one kept working until I got it into this SilverStone TJ06 case with 5 HDDs right under it. I suspect I cooked the PSU because it was putting out insane heat which I suspect was all the HDDs underneath it. Looking at upgrading to an 80 Gold 750w model, the modular plugs are EXACTLY the same which means as long as you keep picking up Strider series builds, you're golden, and they're just rolling out 1500s now, so in the future i'm set.

1 out of 1 people found this review helpful. Did you? Yes No

  • Douglas M.
  • 2/27/2010 1:08:45 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsBest ot the Test

Pros: Stable Voltages - This was my most important criteria. It really surprises me how many "high end" PSUs do not measure well in this area. Not willing to risk the consequences of not having this (which eliminated the majority of other brands from consideration).

Silent - I never hear this thing. I used to think that the tri-speed fan that came standard on my Antec Solo case was pretty quiet, but that's because I never heard it over the fan on my previous PSU. Now the tri-speed is the only thing I hear and I'm thinking about replacing it with something quieter...

Cable Management - The cables are of generous length, and there is a very good assortment of them. This PSU is also totally modular so you can disconnect and remove any cable you are not using. Being modular was not a requirement for me, but it ends up that I find this very useful.

Cons: I can't really think of any. I'm impressed with this unit.

There is the lack of a mechanical power switch that some have mentioned. I must admit that I am used to having one and when I first noticed it, I was slightly taken aback. I wondered why they left it off and if I would miss it. Well after living with it for a month I can honestly say I have not thought about it one time until now. So turns out to be a non-issue for me, but those who have a switch on the back of there currently PSU and use it often should take note.

Other Thoughts: Took top honors in a PSU roundup by the leading HW testing site. Also got top product award for the year.

Efficiency - In my decision criteria it was not nearly as important as the quality and stability of the power being supplied, and it was somewhat less important than the other two PROs listed. That being said, this one is very efficient in the range that I use it and I do like that. It runs cooler (and quieter) than my last PSU which was a fairly expensive high-end brand.

As a side note - I have seen a couple of other PSU roundup reviews in which other Silverstone models were tops in the test in efficiency across every load range. In the test on this particular model, they made a comment that it was not up to usual Silverstone efficiency standards because it tested only average at a full load and superior at the other 3 levels. But like most people with a typical HW setup, I will likely never be drawing a full load from this PSU.

1 out of 1 people found this review helpful. Did you? Yes No

  • Steven S.
  • 2/21/2010 12:08:47 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsFlawless Power

Pros: Quiet, strong operation. No issues after over a year of constant power output. Modular design.

Cons: none yet.

1 out of 1 people found this review helpful. Did you? Yes No

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Item#: N82E16817256045
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