January 26, 2026

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Re: Antminer L3 – 250mh – 400watt Scrypt miner coming soon

Re: Antminer L3 – 250mh – 400watt Scrypt miner coming soon

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vapourminer

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what is this “brake pedal” you speak of?

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can I use my Corsair 450W PSU? Eastshore guys recommend at least 600W PSU, not sure why, if miner is rated at 400W?

cheap psus overrate their capacity, so by specifying 600 they figure even if you use a junk 600 that can actually only provide 500 it will still work. kinda like when amd/nvidia spec a minimum psu of say 600 watts for thier card when a good 450 will do.

you should get a power meter like a kill-o-watt to get actual power draw.

Re: antminer l3 - 250mh - 400watt scrypt miner coming soon
Bulletdodger

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can I use my Corsair 450W PSU? Eastshore guys recommend at least 600W PSU, not sure why, if miner is rated at 400W?

cheap psus overrate their capacity, so by specifying 600 they figure even if you use a junk 600 that can actually only provide 500 it will still work. kinda like when amd/nvidia spec a minimum psu of say 600 watts for thier card when a good 450 will do.

you should get a power meter like a kill-o-watt to get actual power draw.

I got a power meter today and my power draw is 385 TOPS, I’m looking at it for a few hours now, and it hasn’t moved beyond that poin.

EDIT: how to set it up for nicehash?
Also I have one “%” which changes to “!” sometimes in asic status, what does it mean?

Re: antminer l3 - 250mh - 400watt scrypt miner coming soon

Longsnowsm
Just a heads up.  If you bought L3’s and are having an issue with the miners and need support.  You have to go back to whom ever you bought them from in order to get warranty support.  When you try to file a ticket on the Bitmain site they will tell you that you did not buy the miner from them, or that the miner is no longer supported and the repair will be at your cost.  I emailed them and they informed me that since I purchased through someone else I need to go back whom ever I purchased the miner from. 

Bitmain will not help me with the L3 isssue.  I have to work with Eastshore.  Bitmain has told me that I can return just a board that is defective with the L3’s.  The R4,T9,S9 all require the entire miner to be returned, but that I can send back just the bad board with the L3. 

I am talking to Eastshore now about this and they are telling me that I have to return the  whole miner.  I have informed them what Bitmain told me about sending in just one board and they are going to go to the technical department and ask about this.  So I will keep you posted on this process.  Hopefully I can just mail back the problem hash board and not the entire miner.

I just saw the post from Deep in the Mines about an L3+.  Frankly given what I am seeing with the current L3’s I don’t know that I will be in a hurry to buy any L3+ miners.  Bitmain’s quality control is so poor and the process to get something fixed is so bad that it really is hard to justify continuing to spend money with them. 

Also the increase in size means more power draw, probably 2 fans and most likely another situation with LOUD fans making it just unacceptable for home mining.   The current L3’s are fine for home mining as far as power draw, and noise levels.  They are not quiet miners, but the noise levels are acceptable for home mining.  The power draw and heat production for the current L3’s are not bad either. 

So if Bitmain wants to improve the L3 how about improving the quality control and making a reliable miner.  Not one that is going to get hotter, louder, and most likely be even more unreliable than the current L3’s.  If this plays out the way it sounds I don’t think I will be buying any of the L3+.

Re: antminer l3 - 250mh - 400watt scrypt miner coming soon

vinylwasp

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Bitmain’s quality control is so poor and the process to get something fixed is so bad that it really is hard to justify continuing to spend money with them.

I think its simply down to the DC circuitry design. Bitmain uses a serial DC circuit. It’s very efficient, but any single failure in the circuitry results in the loss of the whole board.

So if Bitmain wants to improve the L3 how about improving the quality control and making a reliable miner.  Not one that is going to get hotter, louder, and most likely be even more unreliable than the current L3’s.  If this plays out the way it sounds I don’t think I will be buying any of the L3+.

Clearly they can’t or won’t. They’ve had at least 7 or more generations of miners now and they all seem to have the same serial DC circuit design/manufacturing flaws. My guess is that if you’re Bitmain and can access new boards nearby at cost, the reliability trade-off relative to the efficiency is a good trade-off.

If on the other hand you’re several thousand miles away and have to pay retail prices and operate through a re-seller, then that trade-off is probably totally unacceptable. Buyer beware. Based on their illustrious track record I certainly won’t be buying any Bitmain products.

 

Re: antminer l3 - 250mh - 400watt scrypt miner coming soon

(Why?)

Published at Sun, 12 Mar 2017 09:05:59 +0000

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