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1  Alternate cryptocurrencies / Mining (Altcoins) / Z11 Fried Hash Board on: June 04, 2019, 02:53:14 AM
Anyone else have fried hash boards yet?

Ran mine for about 2 weeks without issue and today I arrived home to it dead. Opened it up and middle hash board was fried. Was using a Whatsminer 2200w PSU, stock firmware with frequency at 731, always ran in vertical position, and ambient temp never above 30C. Running on two boards for now as it looks like Bitmain's warranty won't cover it and they require shipping the entire unit back for replacement parts. Middle board always ran hotter. Quickest failing gear I've owned to date.

The crazy thing is with only two hash boards it jumps up to 120KSol/sec, but it's not stable though. Boards constantly fluctuating between 30-68KSol/sec.




2  Bitcoin / Mining speculation / BITTECH Announces New 28 TH/s ASIC on: August 15, 2018, 02:11:06 PM
Saw a bunch of paid PR on this recently and not sure if it's legit, but seems to be since they aren't just 3D renderings and supposedly shipping September 15. Also not sure if these are the same guys that started scamming everyone years back, but site says they were founded in 2017, so may be a different company with same name.

https://bittech.cn.com/

Two different models:

BITTECH One - $1470
28 TH/s @ 2200W



BITTECH One Mini - $880
16 TH/s @ 1150W

Noise level of both is supposedly < 60db.

Found this older video, which makes it seem like they were initially only going to sell under service contracts, but appear to be selling direct now while also still having contracts if you want them to host:
https://www.youtube.com/watch?v=PX6Bc1JyAPY
3  Bitcoin / Bitcoin Discussion / Bitmain's Twitter Deleted? on: June 14, 2018, 07:00:26 PM
So did Bitmain's Twitter account get deleted for all the scammers commenting on their posts or what?
4  Bitcoin / Mining speculation / Avalon 822 on: April 30, 2018, 08:40:28 PM
Any info on it? Noticed firmware for it about a week ago on Canaan's site.
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