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  • Silverstone SX300-B 80 Plus Bronze 300W SFX Power Supply, SST-SX300-B
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  • Customer reviews

Customer reviews

4.6 out of 5 stars
4.6 out of 5
115 global ratings
5 star
81%
4 star
9%
3 star
3%
2 star
3%
1 star
4%
Silverstone SX300-B 80 Plus Bronze 300W SFX Power Supply, SST-SX300-B

Silverstone SX300-B 80 Plus Bronze 300W SFX Power Supply, SST-SX300-B

bySilverStone Technology
Size: 300WChange
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Top positive review

All positive reviews›
Greyson Lynch
4.0 out of 5 starsShort cables!
Reviewed in the United States on September 20, 2021
Not necessarily a problem, easily fixable for my use with cable extensions , but clearly something I overlooked and ended up needing to sort out. Needed it to be used a relatively low power server.
Adapter bracket worked great, and supply runs quiet. Will try to remember to update, if any problems arise.
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Top critical review

All critical reviews›
Katlyn
3.0 out of 5 starsNoisy.
Reviewed in the United States on November 17, 2020
Easy enough to install, works as advertised... for the most part. This is the loudest PSU I have ever owned. I downgraded from my gaming rig to a mini-itx setup to reduce heat and noise, and to my disappointment the fan runs at 100% at all times, which is noisy as hell in my quiet room.

I have to remove stars because this is specifically advertised as a quiet PSU. It is not.
Read more
3 people found this helpful

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115 total ratings, 37 with reviews

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From the United States

Greyson Lynch
4.0 out of 5 stars Short cables!
Reviewed in the United States on September 20, 2021
Size: 300W V2Verified Purchase
Not necessarily a problem, easily fixable for my use with cable extensions , but clearly something I overlooked and ended up needing to sort out. Needed it to be used a relatively low power server.
Adapter bracket worked great, and supply runs quiet. Will try to remember to update, if any problems arise.
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Pedro Vergara
4.0 out of 5 stars Not the prettiest PSU, but does the job without hiccups.
Reviewed in the United States on June 15, 2021
Size: 300W V2Verified Purchase
Nice SFF PSU, my only real complaint is regarding the fact that the motherboard cable was a couple cm too short to hide behind the cable management compartment on my case (TU150 by Lian Li), and had to be routed right across the front of everything.

The mustard and ketchup cables are hidden well enough under the sleeve, specially once you have the glass panel in place, but the terminations are pretty visible, however it's easily fixed with some black electrical tape and a steady hand.
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Al
5.0 out of 5 stars Great psu
Reviewed in the United States on December 6, 2021
Size: 300WVerified Purchase
If your looking for a 300watt psu then this will do a great job
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Brian
5.0 out of 5 stars Quiet, hard to find power supply works great
Reviewed in the United States on October 2, 2020
Size: 300W V2Verified Purchase
There aren't many power supply options in the SFX form factor available. The power supply in my desktop was pretty noisy, the fan worked fine it just ran at a high speed all the time even though the load was light (less than 100 watts). I installed this a couple months ago and it runs much more quietly and I haven't had any issues with it. Using a watt meter, it is also consuming less overall power than before so this is definitely a more efficient power supply than the old one I replaced.
3 people found this helpful
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W. P.
4.0 out of 5 stars Does the Job for a good Price. Wires are Thin.
Reviewed in the United States on August 9, 2020
Size: 300WVerified Purchase
Install was a breeze but the wires are a little thin. I was only pushing around 150-200 Watts though. I noticed zero noise from the fan from about 40" away.
One person found this helpful
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Peter Peel
5.0 out of 5 stars They all worked fine
Reviewed in the United States on April 5, 2021
Size: 300WVerified Purchase
Like the size for small builds, even in a Coolermaster 110 Elite case, this allows for more clearance above the cpu cooler.

pvp
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Katlyn
3.0 out of 5 stars Noisy.
Reviewed in the United States on November 17, 2020
Size: 300WVerified Purchase
Easy enough to install, works as advertised... for the most part. This is the loudest PSU I have ever owned. I downgraded from my gaming rig to a mini-itx setup to reduce heat and noise, and to my disappointment the fan runs at 100% at all times, which is noisy as hell in my quiet room.

I have to remove stars because this is specifically advertised as a quiet PSU. It is not.
3 people found this helpful
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User
4.0 out of 5 stars so far works
Reviewed in the United States on June 27, 2020
Size: 450W V2Verified Purchase
good to work
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lazaro newball
5.0 out of 5 stars power supply
Reviewed in the United States on February 18, 2021
Size: 300WVerified Purchase
very good
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Thidn
5.0 out of 5 stars Essentially Silent
Reviewed in the United States on July 30, 2020
Size: 300W V2Verified Purchase
Love it. Essentially silent and works very very well. Great value.
One person found this helpful
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