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Author Topic: BW.com L21 - Litecoin (scrypt) ASIC miner - unofficial speculation thread  (Read 15053 times)
Searing
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June 24, 2017, 02:55:03 PM
 #41

I just contacted BW and proposed a buy and review for one BW L21 Litecoin miner (like I have done previously with Hotmine company).
I know it is way below the MOQ of 100 units, but let's see what is their answer  Smiley

I contacted them on same 2 weeks ago. They have not replied.

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HagssFIN (OP)
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June 29, 2017, 07:35:09 PM
 #42

I got an answer from BW.
Let's see if I will have a review about BW L21 for you in August.  Smiley

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June 30, 2017, 03:37:05 PM
 #43

any news?
HagssFIN (OP)
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July 18, 2017, 03:17:41 PM
 #44

They told me that the August batch is coming next and to be in contact with them near August.

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July 18, 2017, 05:05:53 PM
 #45

It's near August now Smiley
HagssFIN (OP)
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August 07, 2017, 02:15:20 PM
 #46

Yeah. I'm moving forward with the buying process at the moment.
I will start a new review thread here as soon as I have it and have had a proper look at it.
_______

There is now a short introduction video for the BW-L21 Litecoin miner.
It is pretty good video with lots of info, but the guy keeps mixing electrical units in wrong places (volts, watts, kilowatts etc.).   Smiley
Video: https://www.facebook.com/BWCOM1/videos/1207481296022406/

Top three new information from the video:
1. price is 2500USD including a PSU
2. minimum order quantity is 100 units
3. delivery is after three months you make the order

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August 07, 2017, 02:58:59 PM
 #47

ive got a guy in my area selling these and ..

http://www.vnbitcoin.org/detailcalculationltc.php?name=LiteCoin_Mining_Rig&startdate=2017-08-07&costperunit=2999&wattperhour=950&gigahazarate=600000&daytoincrease=3&testlopfirst=-0&diffincrement=3.812&bitcoinperdollar=41&electriccostinput=.06&begindifflevel=442592

all the maths ive done suggests buying one of these for LTC will never make positive ROI, what gives? why are you getting excited, what have i missed?
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August 07, 2017, 03:47:08 PM
 #48


all the maths ive done suggests buying one of these for LTC will never make positive ROI, what gives? why are you getting excited, what have i missed?

 You appear to have a fairly high electric rate (I'm guessing 7-8 cents / kwh based on your "electric cost per day").

 I'd also estimate that you're using a "difficulty increase" factor that's a little on the too high side, but that MIGHT change if BW.com can get a significant number of these miners built (on top of the existing Bitmain L3+ and Innosilicon A4 production).


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August 08, 2017, 06:42:50 AM
 #49

ive got a guy in my area selling these and ..

http://www.vnbitcoin.org/detailcalculationltc.php?name=LiteCoin_Mining_Rig&startdate=2017-08-07&costperunit=2999&wattperhour=950&gigahazarate=600000&daytoincrease=3&testlopfirst=-0&diffincrement=3.812&bitcoinperdollar=41&electriccostinput=.06&begindifflevel=442592

all the maths ive done suggests buying one of these for LTC will never make positive ROI, what gives? why are you getting excited, what have i missed?

1. You and as all these calc assume that only diff will go up but price won't follow.
2. You can mine more profitable coins than LTC with this.
HagssFIN (OP)
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August 14, 2017, 03:55:01 PM
Last edit: August 15, 2017, 05:22:52 PM by HagssFIN
 #50

I made the payment today for 1x BW-L21 miner, now it is just up to UPS   DHL when I can get a good look at it and do the review thread.  Smiley
It is probably going to be next weeks tuesday or wednesday.

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August 14, 2017, 07:51:38 PM
 #51

In 4-5 days i receive 2 L21 in the european datacenter for testing. I will upload pics and info about hashing power.
Our COO was in hong kong doing shooping Cheesy .... some antminers, avalons and L21  Grin
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August 14, 2017, 08:02:37 PM
 #52

Cool.  Smiley
Then there is at least two of us to tell more about mining with the L21.

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August 15, 2017, 04:55:04 PM
 #53

Can this be bought? Like right now?

Or same as Bitmain, waiting for a few months?

_
HagssFIN (OP)
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August 15, 2017, 05:21:21 PM
 #54

Can this be bought? Like right now?

Or same as Bitmain, waiting for a few months?

See my previous post in this thread
 
Yeah. I'm moving forward with the buying process at the moment.
I will start a new review thread here as soon as I have it and have had a proper look at it.
_______

There is now a short introduction video for the BW-L21 Litecoin miner.
It is pretty good video with lots of info, but the guy keeps mixing electrical units in wrong places (volts, watts, kilowatts etc.).   Smiley
Video: https://www.facebook.com/BWCOM1/videos/1207481296022406/

Top three new information from the video:
1. price is 2500USD including a PSU
2. minimum order quantity is 100 units
3. delivery is after three months you make the order


By the way, I just received tracking number and the miner is on the way via DHL.
It probably is next week tuesday or wednesday when I will receive the miner and get a good look at it and make the review after that.

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August 15, 2017, 07:47:25 PM
 #55

Hello where can I order L21 miner?   can't find page

nothing new still 100 UNITS minimum ?   where can we buy 2-3 units Cheesy?
HagssFIN (OP)
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August 15, 2017, 08:56:59 PM
 #56

You only have to go few posts back and you see my link to the video that explains everything.
Ordering is done via e-mail.

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August 15, 2017, 09:12:33 PM
 #57

You only have to go few posts back and you see my link to the video that explains everything.
Ordering is done via e-mail.

Ups, sorry, thanks.

I just read the first page.  Embarrassed

_
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August 20, 2017, 08:04:10 PM
 #58

You only have to go few posts back and you see my link to the video that explains everything.
Ordering is done via e-mail.

Would there be enough interest to do a group buy on these?
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August 21, 2017, 03:50:23 AM
 #59

You only have to go few posts back and you see my link to the video that explains everything.
Ordering is done via e-mail.

Would there be enough interest to do a group buy on these?

Probably if they can ship before date Bitmain offers for L3+ when next batch comes out.
Searing
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August 21, 2017, 04:08:19 AM
 #60

You only have to go few posts back and you see my link to the video that explains everything.
Ordering is done via e-mail.

Would there be enough interest to do a group buy on these?

Probably if they can ship before date Bitmain offers for L3+ when next batch comes out.

yeah but last I heard they want 2,500 bucks....so that is iffy, imho vs an L3+ say in bitmain's next lot

Some of this stuff is just too close to call on ordering..now if they were the same price...well then they likely could clean up beating bitmain

at least for that batch


Old Style Legacy Plug & Play BBS System. Get it from www.synchro.net. Updated 1/1/2021. It also works with Windows 10 and likely 11 and allows 16 bit DOS game doors on the same Win 10 Machine in Multi-Node! Five Minute Install! Look it over it uninstalls just as fast, if you simply want to look it over. Freeware! Full BBS System! It is a frigging hoot!:)
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