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Item#: N82E16817256097

SILVERSTONE SFX ST30SF 300W Small Form Factor 80 PLUS BRONZE Certified Active PFC Semi-Fanless Power Supply

  • SFX (Small Form Factor)
  • 80 PLUS BRONZE Certified
  • Intelligent semi-fanless operation

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Learn more about the Silverstone ST30SF

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details

Customer Reviews of the Silverstone ST30SF

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Showing 16 of 16 reviews - Clear Filters

  • Nancy D.
  • 6/15/2015 6:52:00 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsIf you seek top efficiency, look elsewhere

This review is from: SILVERSTONE SFX ST30SF 300W Small Form Factor 80 PLUS BRONZE Certified Active PFC Semi-Fanless Power Supply

Pros: Light, small, cords are long enough, looks good, has been reliable etc.

Cons: I bought this power supply thinking that since my total power load ( at the wall ) was closer to 55w idle, 180w peak, that this would be more efficient than my 3 year old antec earthwatts.

Nope. I've increased my power draw to 60-65wa idle, and i'm sure the peak load has gone up. I'm rather disappointed in this, but i am keeping it in my computer because it is light and small.

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  • Rohin K.
  • 5/28/2015 8:28:55 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsgood psu

This review is from: SILVERSTONE SFX ST30SF 300W Small Form Factor 80 PLUS BRONZE Certified Active PFC Semi-Fanless Power Supply

Pros: smaller factor
fits in 2u rack mounts
supplies enough power for a render node (in my case)

Cons: slightly higher cost

Other Thoughts: this is a good all around power supply unit that i got because of the low wattage, form factor, and so as not to trip a circuit breaker with the most amount of render nodes possible per power socket.

Did you find this review helpful? Yes No

  • Joshua S.
  • 3/29/2015 11:49:02 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsSilent PSU: Good for office and HTPC

This review is from: SILVERSTONE SFX ST30SF 300W Small Form Factor 80 PLUS BRONZE Certified Active PFC Semi-Fanless Power Supply

Pros: Small, cool (temp), SILENT, great value.

Cons: None so far

Other Thoughts: I do not usually write reviews, but I was so pleased with this product that I thought it was worthy of one. I was very concerned with the noise of the new system that I recently built (an Intel, mITX). The hardest noise making item in the computer to evaluate is the power supply. I went through 10s of reviews, looking for decibel ratings and measurements of so called "quiet PSUs." I am an audiophile and require literal silence in my system (not just "quiet" fans that so often characterize so called "silent" components).
Complete fanless designs (from Seasonic and the like) are extremely high quality, silent but extremely expensive. I did not want to spend that much. The Silverstone, albeit rated for less and a hybrid silence (the fan kicks in if load is too high) is perfect for mini systems. My power requirements are minimum. This unit fits perfect for my needs and is SILENT, which was my biggest concern.
Some reviewers have noted that an electrical hum develops after a few weeks or months. I have owned this for four months and hear no such ring. I have put my ear right up to the unit and detect no electrical hum. I suspect that there is variation in the units and I was fortunate (although I cannot verify this, I have exposure only to my unit).
Great unit for the audiophile and HTPC user looking for a silent power supply for a small system. Excellent choice, cannot recommend it enough.

I have a small 54w Intel process, 64GB SSD, 2TB HDD, Bluray Drive, mITX motherboard, and 1 stick of RAM. Fan never kicks in the PSU, even under load.

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  • LOUIS C.
  • 3/29/2015 10:01:06 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsGood product, not always silent

This review is from: SILVERSTONE SFX ST30SF 300W Small Form Factor 80 PLUS BRONZE Certified Active PFC Semi-Fanless Power Supply

Pros: One of only a few low cost, low wattage power supplies options for low power or low noise builds. So far, appears to have very good build quality. Variable fan control can shut its fan off entirely making it silent.

Cons: The variable fan control is not controllable by the user. Although it can run silent, when it is running it is the loudest component of my build. The other issue is that it only rarely runs in silent mode even in a cool room, and when it does go silent, it is almost always is for under one minute, then you clearly hear it turn back on and hear the fan.

Other Thoughts: For a low cost, low power build, this PS will be more than adequate. If you want a silent PC, this PS is not the way to do it.

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  • TD b.
  • 2/26/2015 3:02:42 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggsDONT BUY!!!

This review is from: SILVERSTONE SFX ST30SF 300W Small Form Factor 80 PLUS BRONZE Certified Active PFC Semi-Fanless Power Supply

Pros: NONE

Cons: cr4ppy psu buzzing noise, broken fan

0 out of 3 people found this review helpful. Did you? Yes No

  • David C.
  • 11/24/2014 5:19:14 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggsVery disappointed

This review is from: SILVERSTONE SFX ST30SF 300W Small Form Factor 80 PLUS BRONZE Certified Active PFC Semi-Fanless Power Supply

Pros: - Seems to have good build quality
- Extremely quiet, fan didn't come on once as my system never drew more than 100 watts

Cons: - Failed after 2 days of very light use
- In the process of submitting an RMA but due to NewEgg's policy, I apparently have to wait for a round trip (i.e. they need to receive and process the item before sending a separate one)

Other Thoughts: Seems to be a DOA item should be replaced immediately, if you don't get the broken one back you have my VISA...

2 out of 3 people found this review helpful. Did you? Yes No

  • Patrick S.
  • 8/20/2014 8:21:00 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsSILVERSTONE SFX ST30SF

This review is from: SILVERSTONE SFX ST30SF 300W Small Form Factor 80 PLUS BRONZE Certified Active PFC Semi-Fanless Power Supply

Pros: One of the best quality 300w power supplies I have come accost. First its small SFX. Its silent with the fan running. Yet it does not turn on until you are at a full load for quite a while. I ran Prime95 for 20 min before it came on and the fan only ran for 10 sec then shut off. It also comes with an adapter to fit a standard PSU mount.

Cons: Price. Its defiantly not cheap. But its worth ever penny. If I need another SFX PSUY I will definitely buy again. Then no worry's

Other Thoughts: When It comes to power supplies you do not want to cut corners. You coould get a $25 SFX PSU but then when your having problems with USB ports and boot times then you will doubt yourself. Its not worth it. Get the best

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

  • Paul G.
  • 6/7/2014 8:45:04 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsquiet, mostly silent

This review is from: SILVERSTONE SFX ST30SF 300W Small Form Factor 80 PLUS BRONZE Certified Active PFC Semi-Fanless Power Supply

Pros: Hybrid design means the fan only kicks in once the psu goes over 100W. For a low power HTPC, this effectively means a fanless psu most of the time but with a fan backup if needed.
Build and packaging are high quality. The included bracket adapter was a nice touch.

Cons: Cables are short. In a Silverstone ML03, the atx power cable was too short and I had to flip over the psu (with the fan up) to make it reach. I'd noticed this in a review so I wasn't surprised, but most people probably won't expect this.
Also, only 3 SATA power connectors. I needed a 4th, but a molex-SATA adapter works fine.

1 out of 2 people found this review helpful. Did you? Yes No

  • Greg E.
  • 5/12/2014 8:17:56 AM
  • Tech Level: Average
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggsDOA x2

This review is from: SILVERSTONE SFX ST30SF 300W Small Form Factor 80 PLUS BRONZE Certified Active PFC Semi-Fanless Power Supply

Pros: None

Cons: The first one I got was DOA. The second one I got was also DOA.

Other Thoughts: One egg because 0 not an option. What's to like?

Manufacturer Response:

Hello,

First off we would sincerely like to apologize for any inconveniences that you have been having with the ST30SF PSU. We understand that it can be extremely frustrating to build a computer, and then realize that there is an issue with a component that you drastically need. With that being said, we actually believe that there might have been a misunderstanding of the situation and the product features on the ST30SF. On this PSU, it includes a feature called Semi-Fanless mode, this means that unless if the PSU is hitting 41 degrees Celsius, the fan will not be spinning. Once the thermal sensor does read that it is exceeding this temperature limit, the fan will start and cool the PSU. Hopefully this clarifies the issues that you were having with the ST30SF PSU.

If you are still facing issues with the unit, please do get in contact with our support team and we would be more than glad to assist you with overcoming the issues that you are facing.

Please use the links below to contact us if needed.

Best Regards,
SST USA Support

0 out of 5 people found this review helpful. Did you? Yes No

  • Brent C.
  • 3/8/2014 6:59:10 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsBuzzing Noise!!!

This review is from: SILVERSTONE SFX ST30SF 300W Small Form Factor 80 PLUS BRONZE Certified Active PFC Semi-Fanless Power Supply

Pros: 80-plus standard Bronze
and semi-fanless
price

Cons: Not modular

Other Thoughts: Blew my mini-itx build by installing this completely before testing. Originally buzzing sound was no louder than Noctua CPU fan with ultra-low noise adapter or two Noctua case fans with PWM and low noise adapters. Over the last couple of weeks, the buzz has become about 3 dB louder than anything else unless I access my D drive (4TB Barracuda XT) which smooths out the overall sound and I can no longer here the buzz (although it is there still).

Did you find this review helpful? Yes No

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Item#: N82E16817256097
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