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price adjusted to $1695, free shipping to US, free mining until March 1.
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first of all, $1650, but I include 9 days of free mining and he does not. you can buy from him or make an offer, i don't understand your point. |
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My S5 lost half its hashrate today. Its been about 8 hrs of reduced cycle. This is my first bitcoin miner. How should I approach troubleshooting?
Switch the power supply off. Count to 20. Switch it on. If this doesn't help you might want to try another PSU, try powering one blade at a time, swap controller cables, swap controller ports. It`s not a PSU issue, i have 2 s5 on 2 different PSU A 750w and a 1000W, and yes they drop to half speed alot ramdomly, ( NOT OC`ed ), sometime after 10-20 mins they will go back up to full speed, sometime not, and sometime totally freeze up and need a PSU reset. i would have to assume it`s a firmware bug on first gen firmware or Jan 7 firmware? It happened to me on first gen, not much or very rarely on jan 7 firmware. |
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SOLD Price : $ 1625 $1675 $1750 in BTC, FREE plus shipping to US, extra outside (will be less than $100 if shipped to continental US)
Free mining until March 1:
Hosting is paid through Feb 28, so the sooner you buy, the more "free" BTC you will mine.
Hosting is with JeffColo in OR, PM me for contact info
Hosting price is $100/kw/mo with possible discount for multiple months commitment that you can ask him about.
You can arrange continued hosting with him or unit could be shipped.
JeffColo provided great service and I would highly rec this hosting site.
Please don't bid low as I will simply continue mining if the price is not right.
rationale for the price: Sp31 is $2295 shipped to US (or $2075 prior to shipping)
SP31=4.9th, SP30=4.5Th
2295X4.5/4.9=$2107 fair price, shipped
my price is at least $480 lower, PLUS you get days hosting fee-free mining until March 1.
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The fan mod add zero value.
Good luck with sale.
it did add value for me because my ears were ringing from the default fans-I think that it is worth $38, especially since this is how much I paid for them (no charge for assembly, etc.). Not everybody can put them outside or in the shed. If you can tolerate S5 with default fan in your house/apartment-good for you, but I couldn't. Re used having less value-I would suggest that it is not always the case. In fact new could be DOA or break during first few weeks of operation. Typically miners are either DOA, break in the first week or two OR work for a long time, so basically it does not matter price-wise if it is brand new or four-five weeks old. But I agree that we disagree on price. |
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Lol r u serious on ur prices?? At $460 it would take people that pay .13 per kw/h like i do 369 days to break even. With free power it would take 149 days. Not many have free power but if they had free power they prob wouldnt care about the noise lvl because they would use other miners as space heaters or they would stick them outside. I got 3 sp20's a few weeks ago for $350 each so if u want prices like ur asking for then u might be better off on ebay but even then i think ur prices r super high for used never able to reach roi miners.
higher price is because of fan mods plus about two weeks head start as Bitmain is closed for shipping until Feb 25, but thanks for your suggestions. Fans arent expensive at all so the mod would be what 20-30 bucks give or take these particular fans are worth ~$38 as I clearly stated. You don't have to buy it. In addition, there were no coupons issued for S5 sold in late january, at least i did not get any. dont act like 38 dollar fans justify tackin on over a hundred bucks to the used miner price tag. 1. Bitmain is not shipping, so you get extra 10 days hashing 2. shipping from Bitmain costs $46 ($46+$38=$84) and I don't charge for shipping. $370+$46+$38= $454. Miner from bitmain WAS ~$416, but you cannot order to get it shipped until 25th OR whenever the button will become green again 3. Amazon price for unmod miner is $479.99, ebay price on first line is $462.5 bid on unmodified miner Conclusion: my modified miner is a relative bargain, but as I said-you don't have to like it, move along please. |
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Does someone has good settings for SP30 to lower its power use.
I remember that it was possible to do 2.4kw and 3.9-4Th and/or 1.9kw and 3.6 TH (I am mostly interested in these settings).
Or is does it mimic the SP20?
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these particular fans are worth ~$38 as I clearly stated. You don't have to buy it.
In addition, there were no coupons issued for S5 sold in late january, at least i did not get any.
I also not get new coupons. Do you sell only four blades , 4 x 16pin cables , screws and springs for blades? I offer 750 usd shipped to Estonia. No need for controllers, only 16 pin cables from controller to board. Sorry, but I want to sell this miner intact with extra fans. price is reduced to $454, shipped to US, hashing at normal speed (~1150 GH) with much quieter fans. Get it before shipping from Bitmain resumes. |
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Lol r u serious on ur prices?? At $460 it would take people that pay .13 per kw/h like i do 369 days to break even. With free power it would take 149 days. Not many have free power but if they had free power they prob wouldnt care about the noise lvl because they would use other miners as space heaters or they would stick them outside. I got 3 sp20's a few weeks ago for $350 each so if u want prices like ur asking for then u might be better off on ebay but even then i think ur prices r super high for used never able to reach roi miners.
higher price is because of fan mods plus about two weeks head start as Bitmain is closed for shipping until Feb 25, but thanks for your suggestions. Fans arent expensive at all so the mod would be what 20-30 bucks give or take these particular fans are worth ~$38 as I clearly stated. You don't have to buy it. In addition, there were no coupons issued for S5 sold in late january, at least i did not get any. |
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I did not see them and I would think it is hard to send the gear to china looks similar, but not the same. |
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Lol r u serious on ur prices?? At $460 it would take people that pay .13 per kw/h like i do 369 days to break even. With free power it would take 149 days. Not many have free power but if they had free power they prob wouldnt care about the noise lvl because they would use other miners as space heaters or they would stick them outside. I got 3 sp20's a few weeks ago for $350 each so if u want prices like ur asking for then u might be better off on ebay but even then i think ur prices r super high for used never able to reach roi miners.
higher price is because of fan mods plus about two weeks head start as Bitmain is closed for shipping until Feb 25, but thanks for your suggestions. |
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I recently received a used SP20. I know that it works, and can hash. When I received it, it had Firmware 2.5.61 installed. Virtually everything I have seen posted here for a recent version is 2.6.x. So I went down the route of "Upgrading the firmware". I went and let it choose the "latest firmware", and the result appears to be 2.6.1. I am virtually certain that many folks have 2.6.7 or possibly 2.6.14? I then tried the auto update again, and it says "I am current with the latest". I then looked into a "Manual Selection", and said that 2.5.12 was the only one I could choose from. That just didn't look right, so I decided to seek advice here before I try and advance beyond 2.6.1.
1) I am truly confused by the firmware version numbering scheme.
2) How do I get beyond 2.6.1 to something that's got better control of the fan?
If there is a discussion of this somewhere in the past 500 pages, please point me at it.
Thanks very much!!!
when you go to "manual Selection" and see 2.5.12, there are two little arrows to the right of it. Click on them without releasing the mouse and you will see pulldown menu with more choices. navigate to one of them, then release the mouse. then upgrade. |
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How much dB is this producing? Can you measure?
55dB or so vs 72-73 dB for default. I cannot hear it 20 ft away. in the same office it is mildly annoying, but bearable. Family does not complain about mod fans, but were objecting to default ones |
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Push side-Noctua  Pull side-Scythe Ultra kaze  From the top  |
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Do you have any kind of pics and/or proof of mining? You probably wont get much interest without them, especially without any kind of reputation.
Your asking price is also ~$100 above what bitmain was selling them for, although your price does include shipping while theirs does not.
The two miners you are selling would earn a gross amount of roughly .027 BTC (for two) before electric costs, multiply that times 14 days and you get ~.378 for two, in mining revenue (.189 each) lost by having to wait for bitmain, however you would also not need to pay for electric over the time. That amount works out to roughly $94.5 for two (or $47.25 each), however it does not count electric costs.
The cost of running one S5 over two weeks, assuming $0.09 per kwh would be roughly $18.14, so the net amount of mining revenue by not waiting two weeks out be $29.11 each, or $58.22 for both
370+46+29=$445 fair value for miner alone, without taking into consideration that Bitmain might bump up the price in lieu of rising BTC (they did it before) $25 extra value for extra fans ($40 amazon price without taxes) i did sell to others here-check my trust I don't follow where the $46 number comes into play? Is this shipping? If so then many people on here tend to provide their own shipping label. It is a free market and you can sell at whatever price you wish, and people can similarly offer whatever prices you wish but I am just giving my own analysis on your pricing. Granted there may be some premium to be paid for the fan mod already being put into place ~$46 is approximate shipment cost to US from china to calculate fair price. people don't need to provide their label because my price includes shipping to US destination. |
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Do you have any kind of pics and/or proof of mining? You probably wont get much interest without them, especially without any kind of reputation.
Your asking price is also ~$100 above what bitmain was selling them for, although your price does include shipping while theirs does not.
The two miners you are selling would earn a gross amount of roughly .027 BTC (for two) before electric costs, multiply that times 14 days and you get ~.378 for two, in mining revenue (.189 each) lost by having to wait for bitmain, however you would also not need to pay for electric over the time. That amount works out to roughly $94.5 for two (or $47.25 each), however it does not count electric costs.
The cost of running one S5 over two weeks, assuming $0.09 per kwh would be roughly $18.14, so the net amount of mining revenue by not waiting two weeks out be $29.11 each, or $58.22 for both
370+46+29=$445 fair value for miner alone, without taking into consideration that Bitmain might bump up the price in lieu of rising BTC (they did it before) $25 extra value for extra fans ($40 amazon price without taxes) i did sell to others here-check my trust |
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SOLD For sale two antminer S5 that were used for ~5weeks.
Default fans produce more than 72dB, which for most people is unbearable in the same room.
i will include Noctua Nf-12 3000rpm pWM fan for push ($24.5 value) and
Scythe ultra kaze (~13 value) for pull with each miner plus a default fan, one grill and screws
Price for modded (quieter) S5 is ? $454 $460 $470 in BTC, shipped to US only.
please don't try low bids-they will not be accepted.
Bitmain is not shipping until Feb 25 due to holidays.
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One CX750M sold, one left for $75, shipped to US
sold |
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For anyone looking to put slightly quieter fans (that still get the job done) on their S5, here's a dang good deal on a pair of Delta AFB-1212SHE. This seems to be a popular choice for reducing dBs while still keeping temps under the 60C target. http://www.ebay.com/itm/191472588964?_trksid=p2060778.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AITTwo fans for 20 bucks shipped. Not sure what's up with the 4-pin connecter, something looks off about it. I just placed an order and will update when they come in. Hope this helps someone. yeah, that's the one phil found and many people were using. the connector is NOT PWM, though, so you would have to cut it off, then cut off the default fan connector and splice it on a new fan wires. |
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Can anyone tell me what the f* going on with my S5.Its started to beeping this afternoon and keep going on.
I'm really over with this stupid rip off bitmain tech company.They dont have proper user manual.And no one knows what are the leds mean on the side, on the top.
I'm getting more and more random beeping.Can I send it back and they reimburse Me?
switch the PSU off, wait 20 sec, switch it back on. once you will be able to connect to miner in gui check if you have jan 7 firmware as it is more stable. as OP said, beeping simply means that you lost internet connection to your miner. it happens, no biggie. |
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