Do not buy from bitmain...they are bad

[maxis7]

I have a D3 delivered in December 2017...in January two hashboards stop working and I send them to Hong Kong...my bad D3 stop working...I wait two months to get them back, I spend 55 euro for the shipping and 30 for thee customs, today they arrive and this is the result:
one hasboard broken for a bad packaging 

https://ibb.co/j0ZKnx
https://ibb.co/cqNGZc

DO NOT BUY FROM BITMAIN, THEY ARE VERY BAD

[fanatic26]

Yep, sometimes mining hardware is unreliable.

[ruplikmastik]

This is not the first time that I read very negative comments about the Bitman support. They just focus on selling. Not on post sales customers support. It's always the same story with those Chinese companies....

[RYXES]

Bitmain is very much a classic case of "if you pay peanuts, you get monkeys" or "buy cheap, buy twice".

Bitmain really is only beneficial if you buy in large stocks or live very close to their delivery network.

Or if you are going for bulk orders, it is better to go over yourself and buy them in person. Seriously.

If something goes wrong and the prices you pay for repairs, deliveries there AND back and the down time you have from not mining, the flight over does really pay for itself.

[NameTaken]

https://www.reddit.com/r/Bitcoin/comments/7txh2f/sooo_you_guys_are_aware_that_bitmain_is_selling/

[dagarair]

I have had good luck with their RMA process.  I am in usa send to CA they test it and then ship from China.  never had an issue other than the D3 are lame as that is the only boards I have ever sent back!

[leonix007]

I have a D3 delivered in December 2017...in January two hashboards stop working and I send them to Hong Kong...my bad D3 stop working...I wait two months to get them back, I spend 55 euro for the shipping and 30 for thee customs, today they arrive and this is the result:
one hasboard broken for a bad packaging  

https://ibb.co/j0ZKnx
https://ibb.co/cqNGZc

DO NOT BUY FROM BITMAIN, THEY ARE VERY BAD

Its already considered as one risk in buying mining machines from them, its not a little money spent seriously and I doubt if you don't actually check their reputations here, a lot of horror stories foretold and warnings. sad thing you've been hit.