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Author Topic: Failure!🎬 StrongU STU-U6 dash coin miner review.  (Read 907 times)
mineshop.eu
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December 16, 2019, 05:04:32 PM
Merited by CjMapope (2)
 #1


So StrongU STU-U6 miner for X11 mining algorithm is been a big failure. On pre-sale few month ago i purchased it with advertised setting 660gh/s at 1300w .Which to me looked like a very attractive deal. But as usual with Chinese asic manufacturers there are problems, the deal seemed to good to be true. So finally we have received the miner which supposed to deliver in October 2019, but got delivered in December 2019. And delivered not as it was advertised, received specs :

440 GH/s mining speed
2050 power usage from the wall
This supposed to be the most efficient asic miner for Dash coin , as the Spondolies SPx36 miner is very overpriced and uses lot more power. Dont get me wrong StrongU STU-U6 is still most efficient publicly available Dash Coin miner. But it is not as efficient as it was advertised. My power cost is quite high and watt per hash was 2x better when pre-ordered, and received a miner which nearly doesn’t cover my power cost.

I seen some posts that some people have ordered before me and have received miner with the specs it was advertised. So i assume they have had some bad silicon run or some other issues why they cannot reach full performance.

Has anyone received full performance 660gh at 1300w?

Video Review:https://www.youtube.com/watch?v=J2i9U1-fI-s

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joblo
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December 17, 2019, 04:39:26 AM
 #2

Something about those numbers doesn't seem right.

1300 / 2050 = 0.634146341

440 / 660 = 0.666666667

Allowing for error these look pretty equal. 50% more power for 50% less hash.
Coincidence?

AKA JayDDee, cpuminer-opt developer. https://github.com/JayDDee/cpuminer-opt
https://bitcointalk.org/index.php?topic=5226770.msg53865575#msg53865575
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mineshop.eu
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December 17, 2019, 09:56:58 AM
 #3

Something about those numbers doesn't seem right.

1300 / 2050 = 0.634146341

440 / 660 = 0.666666667

Allowing for error these look pretty equal. 50% more power for 50% less hash.
Coincidence?

Well yes about 1/3 less efficient. But i assume the power would be less 30% from 1300 if one hashing board missing...ha . It is other way around.

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December 17, 2019, 12:56:38 PM
 #4

I got mine in early November. Haven’t seen anyone get 660.

You should have got extra units as compensation from StrongU.

And these units are heat sensitive, 75C on chip and they re-start.
mineshop.eu
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December 17, 2019, 02:10:40 PM
 #5

I got mine in early November. Haven’t seen anyone get 660.

You should have got extra units as compensation from StrongU.

And these units are heat sensitive, 75C on chip and they re-start.
Yes got the extra units, but really no point on them as the cost of power is to high to make profit here. Better less units with better efficiency Wink

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December 17, 2019, 09:30:01 PM
 #6

Yes got the extra units, but really no point on them as the cost of power is to high to make profit here. Better less units with better efficiency Wink

Maybe that's their game. Advertise ridiculous efficiency to justify an inflated price for inferiour equipment
just to get the sales. Then they give away extra units when customers complain and still manage to make a profit.

A plausible way to liquidate old stock.

AKA JayDDee, cpuminer-opt developer. https://github.com/JayDDee/cpuminer-opt
https://bitcointalk.org/index.php?topic=5226770.msg53865575#msg53865575
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December 18, 2019, 06:18:38 AM
 #7

Funny thing, the first batches performed 450-480gh at 1900w.  The "free" units I got recently, ya pieces of shit.  1 hash board works in both units.
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December 18, 2019, 10:35:42 AM
 #8

Yes got the extra units, but really no point on them as the cost of power is to high to make profit here. Better less units with better efficiency Wink

Maybe that's their game. Advertise ridiculous efficiency to justify an inflated price for inferiour equipment
just to get the sales. Then they give away extra units when customers complain and still manage to make a profit.

A plausible way to liquidate old stock.
Interesting business model...ha

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December 18, 2019, 09:31:18 PM
 #9

Yes got the extra units, but really no point on them as the cost of power is to high to make profit here. Better less units with better efficiency Wink

Maybe that's their game. Advertise ridiculous efficiency to justify an inflated price for inferiour equipment
just to get the sales. Then they give away extra units when customers complain and still manage to make a profit.

A plausible way to liquidate old stock.
Interesting business model...ha

Looking at their engineering results, I doubt they are that smart.
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December 19, 2019, 01:30:20 AM
 #10

Wow what a difference in advertised wattage/Hash, that one really hurts. I got hit hard with the D3 from Bitmain and I pretty much swore off asics then and there.
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December 19, 2019, 10:50:50 AM
 #11

Wow what a difference in advertised wattage/Hash, that one really hurts. I got hit hard with the D3 from Bitmain and I pretty much swore off asics then and there.

Yes got hit really hard on D3 also, had a lesson didnt go in to heavy on these STU-U6. Think the safest if you really want an asic is to buy latest BTC miners, as they have the most advanced technology as it has been the oldest. You could get lucky and your miner could be profitable for few years.

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January 04, 2020, 07:35:56 PM
 #12

hello, anyone tried to extract latest firmware ?

https://strongu.com.cn/public/file/rootfs_u6_1125_v1.7_f.tar.gz

my D3 have latest blissz firmware, which lowered owerall power consumption, maybe it is possible with u6 also


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January 06, 2020, 10:12:19 AM
 #13

hello, anyone tried to extract latest firmware ?

https://strongu.com.cn/public/file/rootfs_u6_1125_v1.7_f.tar.gz

my D3 have latest blissz firmware, which lowered owerall power consumption, maybe it is possible with u6 also

I think i have the latest firmware on and there is no change. Let me double check and get back to you.

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January 07, 2020, 05:11:36 PM
 #14

hi there, any luck ?

it can be extracted till system.tar.gz, which is reported as unknown format or damaged file

tried to open with binwalk and it says OpenSSL encryption, salted, salt: 0x-5FA161C57EF5216B
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January 08, 2020, 02:54:53 PM
 #15

Is anyone buying these or mining a profit with them? Seems last week the electric cost was about equal to the mining profit, but today the profits seem to be a bit more than the electric cost
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January 08, 2020, 05:52:33 PM
Last edit: January 08, 2020, 06:06:08 PM by bcn2048
 #16

today is slightly above 2 eur on nicehash (with electricity cost deducted)

but let me express gratitude over eastshore.xyz for fulfilling their promise over U6 miner, they stated that they will send another unit as substitute for Strong company becacuse they failed to make a full spec promised product

in the meantime strong declared bancrupcy, and eastshore decided to refund half of payment, which arrived today (867.50 USD at paypal) Smiley

https://imgur.com/a/WpCrnty


actually 820,35 USD received becacuse enormous paypal's fee 47,15 USD
yrk1957
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January 08, 2020, 09:26:56 PM
 #17

today is slightly above 2 eur on nicehash (with electricity cost deducted)

but let me express gratitude over eastshore.xyz for fulfilling their promise over U6 miner, they stated that they will send another unit as substitute for Strong company becacuse they failed to make a full spec promised product

in the meantime strong declared bancrupcy, and eastshore decided to refund half of payment, which arrived today (867.50 USD at paypal) Smiley




actually 820,35 USD received becacuse enormous paypal's fee 47,15 USD

That’s pretty decent handling from eastshore in the crypto miner world.

StrongU going bankrupt is good news for whoever got their units. At least profitability will not fall due to flood of X11 miners.
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January 09, 2020, 07:51:05 PM
 #18

today is slightly above 2 eur on nicehash (with electricity cost deducted)

but let me express gratitude over eastshore.xyz for fulfilling their promise over U6 miner, they stated that they will send another unit as substitute for Strong company becacuse they failed to make a full spec promised product

in the meantime strong declared bancrupcy, and eastshore decided to refund half of payment, which arrived today (867.50 USD at paypal) Smiley




actually 820,35 USD received becacuse enormous paypal's fee 47,15 USD

you have a link on their bankruptcy ?

Check out my Crypto YouTube channel
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January 09, 2020, 08:47:29 PM
 #19

sorry, no link, I was just reffering what was stated in eastshore message, which I obviously read it in the rush, where it says that they are on brink of bankruptcy
yrk1957
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January 09, 2020, 09:02:41 PM
 #20

today is slightly above 2 eur on nicehash (with electricity cost deducted)

but let me express gratitude over eastshore.xyz for fulfilling their promise over U6 miner, they stated that they will send another unit as substitute for Strong company becacuse they failed to make a full spec promised product

in the meantime strong declared bancrupcy, and eastshore decided to refund half of payment, which arrived today (867.50 USD at paypal) Smiley




actually 820,35 USD received becacuse enormous paypal's fee 47,15 USD

you have a link on their bankruptcy ?

I know from other vendors that they are struggling to supply the pre-sold units.
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