Topic: S-5 review. It has arrived some info is in! - page 10. (Read 19866 times)

Thanks, good point, but 5V should work on stock fans, since OP already did it.

Be aware that some 12V fans won't start with 5V, so you want to test that with your particular fan first.

In your opinion, will 5V support enough speed of the stock fan if intake is ~26C (78F) at least at 325, maybe 350 mhz setting?

All 7V adapters are expensive on amazon and since 7V is 30% louder than 5V, I am not sure that it will change the sound enough (I will experiment with 2 fans setup anyway, since they are coming already).
I know that you posted/tried 5V at 5C intake, which was OK. There is a cold spell right now, so I can theoretically open windows and close the door in the "mining" room, but I am looking at something more stable.

good option. searching tech sites and amazon for things like 3pin molex / 5v fan molex / 4pin 5v fan, etc is a good way. Look for one with multiple 5V and/or 7V connections - ignore 12V since that's worse than the PWM. The above link has 2x5v and 2x12V - no 7V options unless you rewire it a little

yeah that looks good and may be best  solution.

You can also look for ones like these (usually come with Noctua fans, warning they can get warm to hot), they're sold out at this link.  http://www.dx.com/p/3-pin-pc-cooling-fan-speed-noise-reduction-cable-5-piece-set-35818#.VKW5W2fwuUk

great, thanks.

Directron is my fav. stop since it's right by our office.  All my little adapters for fans and such for miners came from there lol.

http://www.directron.com/zmmc1.html?gsear=1

not sure how to power stock fans at 5V if I have just regular PSUs.
Edit: saw the picture, care to give a product link-search for molex has >12 pages of products. Thanks.

honestly, just try powering the stock fan at 5V. molex adapters are cheap and you likely have a few lying around if you bought fans in the past. at 5V the fan is about the same volume as the SP20 at 10-20%, and is sufficient to keep the machine cool at stock speeds (as long as its under ~65C, 55-60C is ideal)

 I am going to lock this thread and lock my sp20 review thread maybe on monday.

I am going to sell this to a forum member that lives a few miles from me along with a sp20.

I am done testing it and will give it to him with the stock fan on the side.

  I will install my delta 3 pin and run that .  it is louder then the noctua - silverstone in use, but it cools better.

I have the 4 pin deltas coming to my house  on monday.

  I will give him a pair and ask him to test them.

I would buy these if I needed miners. (I have 8 sp20's)

I may buy 2 of these in a bit if the price drops.

My home is suited to run 7 to 9 sp20's and 1-3 s-5's.

  If you are an established miner that has used s-1's or s-3's and you want to upgrade I suggest  
2 s-5's and 2 sp20's.  I think that would be 900 for a pair of s-5's shipped to the usa and 1020 for a pair of sp20's shipped to the usa.  

  To bitmaintech thank you for the miner  and it was a pretty good miner,  but better fans would have been smarter for you to do.

532 watts 1073 gh  = .496 per gh

clock at 325
push noctua 2640 rpm  pull silverstone  1800 rpm.--quiet

 a little bit warm.
hw's good

One point-stock fan does not move that much air comparing with SP20 at a low 30 setting. The choice of the fan clearly was not right, since the S5 fan even at 325 (hashing at 1070gh) is MUCH louder than the SP20 fan is at setting 30 (hashing at 1360Gh).
Very much looking forward to see how Noctua-Noctua (expensive at ~$48) or Noctua-Delta ($32) fan combos will work.

For those looking at aftermarket fans, the Silverstone isn't the only 140mm fan with 120mm fan holes (although it's the only one 38mm thick and probably the best), there are a few others.  Those will move more air at a lower RPM causing less noise.  One thing you may need with some aftermarket fans though that I've learned is that the screws sticking out of the front and back can cause interference with the blades, so something like these can help.  http://www.amazon.com/gp/product/B00NODDHLY/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1

Here are a few of the fans I've found.

http://www.amazon.com/gp/product/B00Q8RLCBU/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1  shipped from China so they haven't arrived yet.

http://www.amazon.com/gp/product/B0078IWS6Q/ref=oh_aui_detailpage_o07_s00?ie=UTF8&psc=1  white LED and good airflow but not as quiet as others.

http://www.amazon.com/gp/product/B00B1WQ4VA/ref=oh_aui_detailpage_o06_s00?ie=UTF8&psc=1 if you happen to need a shorter fan, not high airflow but pretty quiet.  Optional Static Booster:http://www.amazon.com/gp/product/B00HRJ550W/ref=oh_aui_detailpage_o05_s00?ie=UTF8&psc=1  which makes it as thick as a typical one so this option isn't really useful.

http://www.amazon.com/gp/product/B00G8GUE74/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1  Similar to the Prolimatech above but spins a little faster.

http://www.newegg.com/Product/Product.aspx?Item=N82E16835856013&cm_re=140mm_fan_120mm-_-35-856-013-_-Product  Quiet but not a lot of airflow.

http://www.newegg.com/Product/Product.aspx?Item=N82E16835856015&cm_re=140mm_fan_120mm-_-35-856-015-_-Product  Same as above.

Some of these are right up to the bottom of the network port on AntMiners, so you should use network cables without boots / connector sleeves like these:  http://www.amazon.com/gp/product/B00E5I7VJQ/ref=oh_aui_search_detailpage?ie=UTF8&psc=1  
Or you may have to shave a bit off the fan frame.

Any idea on the model number of that fan?  Trying to go by CFM and dBA on spec sheets I'm scouring... and when I start spec hunting I tend to go overboard.

and well... I went a little crazy...

I ordered a ridiculous SAN ACE 120 fan model 9SX1212P1K001.. (available from Mouser, Newark, Element14, Farnell, Arrow and Sager)

Here is a video of an older model Aluminum Sanyo Denki 6000 RPM fan...  

https://www.youtube.com/watch?v=XTdD5FXlrsk

The operation range of this fan is 15% PWM which is 2600RPM/88.2CFM @ 37dB to 100% PWM which is 7400RPM/257.7CFM @ 66dB

  I had a 3000 rpm fixed speed  3 pin delta delta it was between 2800 and 3000 rpm . quieter then the stock and kept the gear cool enough to go to freq 350.  I think it is 148 cfm at 3000 rpm

  Thank you! I'll take a look. Maybe i can find something similar Here. 

Can you get the numbers on the existing fan by any chance?

Or .. what CFM do you think is actually required by the miner to run at stock frequency under normal environmental conditions?

Heh, lol. Whipped... 

Wish I was whipped...