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The fans noise is huge, anyone replaced fans with smoother ones ? If yes, can u make a small guide how to take cover off and so on ? :)

Thanks

How did you end up with a 50GH when they haven't finished shipping 60GH ones yet?

did u readed whats this topic all abt ?
please dont post offtopic

 It's a fair question and relevant to the present topic.

 Did you perhaps mean your ~60GH machine instead ?

Probably the screws are under the rubber feet. The rest should be simple I guess...
But I would be more worried about the heat, not the noise, I've heard about at least one Single fried due to temp most likely.

If you find some quiet high CFM fans...good, if not you better let it roar :)
Do you have the BFL PSU?

No, bought my own PSU, i cant sleep because of it , lol  :D

I found it was cheaper to rent a 3 floor apartment to mine in than give up mining. #baylife

Dogie : I never said i was quitting.
Philips : I run the BitForce for abt 3 hours now and it didnt heated at all

I have a LS and replaced the 92mm fan with a 100mm SilenX fan. Also replaced a 120mm fan with a Silenx equivalent and disabled the other. Running an open box (Actually I mounted the BFL board in an open mini-ITX case). System has been running rock solid <70C for the last 3 weeks now and doesn't make a sound. (Most of the noise is coming from the BFL power brick at this point). Overall power consumption is ~130W.

I don't know the noise level of BFL miner. But I believe it will not worse than Avalon. I have to put my Avalon alone in a room and close the door all the time to prevent the jet plane noise.

avalon_temp 53 ftw

Thanks, i will look into it, i would like to keep it in the original "package"  :D

Put it in a fridge - keeps it cold, and it's sound proof.

Unplug everything.
Use a 3/64 inch hex wrench (very tiny) to undo the four case screws on each side.
Remove each of the grates in front of the fans
Push the bottom part of the case out from underneath of the top. You may need to put a little pressure on the edges of the case to stop the power/USB ports from getting caught in the top part of the case.
You will now have an exposed unit. You can very easily remove the fans with just a phillips screwdriver. The power portions unclip from the mobo.

I found that the unit quieted down enough with the case exposed and temperature dropped around 10 degrees C so I didn't need to change anything with the fans.

Is this the Bitcoin equivalent of a first-world problem?  :D Sorry, couldn't resist the humor.

Thanks, i might try it in the future, atm i kinda solved the noise problem ;)

Host with us and you will never need to hear that fan again ;)   

On a serious note, make sure you get a fan that has the same RPM rating or you could damage your machine by under-speccing the fan.

And unfortunately, the Little Singles are almost as loud. Not quite, but pretty close.

Actually the key number is CFM. There can be two fans running the same RPM but one moving significantly less air because of blade pitch.

Yes, I agree.  CFM is key, but you usually see those numbers close to each other as a ratio.    Unless you have a large fan, you will likely see the higher CFM fans are Higher RPMs.    I upgraded my Avalons with some beefy server fans (4400 RPM) and have seen stable and higher hash-rates.

thanks guys, i decided not to "unpack" it and change the fans, i have mounted a 120mm fan in front of the single and another one on top of it, in about 30 seconds , single fans slowed down and the noise aint so buggy as it used to be before

If i was lucky enough to have that mining rig, make about 600.00USD a day week, my problem would be a persistent  shit eating grin and a constant hardon, noise would not be a big issue.

End of off topic comment:

 That being said, have a look at Coolink fans. I have a Norco SS 500 5 in 3 HD hot swap bay, that came with a really noisy 80mm. Swapped  itout for a Coolink and its whisper quiet now.  
http://www.amazon.com/Coolink-120mm-800RPM-8-5dba-SWiF2-1200/dp/B002IG5HFW/ref=sr_1_12?ie=UTF8&qid=1374626248&sr=8-12&keywords=coolink+fan

Not sure what rig you are referring to.  Bfl Single 60Gh pull about $90 a day before electricity cost at current difficulty.

I meant to say 600 a week.