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Cooler Master Silent Pro M 850W / RS850-AMBAJ3
8.3 out of 10

Cooler Master Silent Pro M 850W / RS850-AMBAJ3

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Reviews and Problems with Cooler Master Silent Pro M 850W / RS850-AMBAJ3

Showing 1-10 of 121
Overall 2
2.0

#RMA takes very long time

Quang D., Newegg
10 June 2014
  • Pros: Bought this brand new to build my system. It works great until it burned out and still under warranty period.
  • Cons: Now I am going through a replacement under warranty service and submitted #RMA on 5/27 and called the company checked on status 6/02. The customer service rep. told me the #RMA dated was on 5/30. My user account on 5/27 and got the RMA No and send out the dead power supply on 6/2 through priority...
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Overall 10
10

Great PSU

Marlon M., Newegg
25 January 2014
  • Summary: I lucked out as I bought this for my new build before I made the decision to run a Haswell CPU. Fortunately, their website said this model was Haswell compatible, and I have not had any of the sleep/wake issues, so I guess they're right.
  • Pros: I've had this PSU for about 6 months now and absolutely no issues. I am using almost every available connection (except molex) and running over 800W on my current build. This thing stays cool and quiet on a bottom mount in my NZXT full tower. The fan is so silent that I don't even hear it running...
  • Cons: I've only run CM PS units since I've been building computers. I've only had one fry out on me. The packaging on these things is rather extravagant, and they pack the cables in a nice nylon bag with a drawstring closure. While that is nice, I can only imagine these would be around $20 or more less...
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Overall 2
2.0

Great when it worked...

Corry S., Newegg
3 December 2013
  • Summary: I'm considering looking into Corsair PSU's. Most people seem to like their quality and the warranty procedure is ALOT better than Cooler Master from what I've heard and read. CM gets one more chance...
  • Pros: Lots of power...when it gets power. This is my first CM power source and first power source to ever die on me so they get 1 eRMA before true judgement.
  • Cons: 2 days ago my computer started shutting down as though someone pulled the plug. First happened in game (Planetside 2, Need for Speed MW) then happened 20 minutes logging into windows then finally wouldn't boot. All temps are fine and nothing has changed since I built my machine 11 months ago. all...
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Overall 10
10

Great PSU

Derrick E., Newegg
18 November 2013
  • Pros: Great PSU runs great. Love the modular. Looks neat and clean inside the case.
  • Cons: None yet
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Overall 10
10

So perfect

Timothy B., Newegg
7 October 2013
  • Summary: For the price and relative silence, this was pretty awesome.
  • Pros: It's very quiet, the modularity makes sense, the flat cables are nice, it's STURDY and feels very solid. It runs quite cool, even under a load.
  • Cons: The "flat" cables don't mark which line is which, they're just all BLACK, and they're only flat. There is no sleeving to adjust cable positions or anything like that. There is no doing away with the extra 2 pins on the 8vs4 PCIEx power connectors, for instance.
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Overall 8
8.0

Good product for the price!

Andrew S., Newegg
2 October 2013
  • Pros: So far so good, very impressed with everything so far. It looks and feels quality. Cable sockets work well, they aren't a pain to insert or detach yet they stick well. I have only had this product for a few days though so I have yet to see how it holds.
  • Cons: It has a slight hum of something you hear with extremely high voltage although I cant hear it from my chair so I don't have a problem with it. I never had this high wattage for a power supply before though either so from my perspective this is something to be expected?
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Overall 10
10

Solid

Benjamin R., Newegg
25 September 2013
  • Summary: If I ever wanted to run Crossfire, I may have to upgrade, but this is great for running one large card (like my 7950).
  • Pros: Does its job. I was debating between this and a 1000w, but this is plenty. Been running most of the time for the past month and no problems.
  • Cons: None
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Overall 6
6.0

User Review

Scott M., Newegg
10 September 2013
  • Summary: Got this as a replacement for a antec truepower quattro that failed after 1 1/2 years of 24/7 use from a local computer company. it still works fine but the fan randomly makes a buzzing sound and now that the original purchased 2 year warranty on the antec is up the local company wont replace it.
  • Pros: 850 watts and somewhat modular
  • Cons: started making a random buzzing sound after 6months
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Overall 8
8.0

User Review

Austin T., Newegg
10 August 2013
  • Summary: Besides the buzzing sound, this is a very good PSU. Although it is 'silent', after a few months it begins to buzz at various speeds.
  • Pros: Runs pretty well, powers everything I have with no issues.
  • Cons: After a couple of months, I began to hear a buzzing sound which is now constantly agitating me. Sometimes it will remain silent, and then buzz loudly, and at different frequencies.
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Overall 4
4.0

Quiet for 6 months

Gregory H., Newegg
1 August 2013
  • Pros: Lots of power
  • Cons: After 6 months of low to moderate load the fan on the unit became extremely loud. RMA requires you to send in the product before they send a replacement, leaving me without a computer for who knows how long. Should have spent the extra money on a better PSU
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