Quote from: Malharhak on October 20, 2013, 03:30:46 PM

Hey guys

I just purchased (pre-ordered actually) the Propspero mining rig.

It is hugely better than any current mining rig on the market.
It offers arround 100 GH/s for ~$300 (including shipping fees and stuff) which is just awesome. Its efficiency is close to 300, which is ~10/20 times better than the efficiency of most of the mining rig at this sort of price (less than $500).

Based on the current difficulty, it would earn $31/day (see screenshot from the bitcoin mining calculator), breaking even in only 10 days.

So of course that is just great. But the big downside is this :

It ships on feb 2014, so arround 4 months from now.
I'm wondering how you can multiply by 10 the power of mining rigs in only 4 months. Are they actually able to build this powerful and cheap rig ?
By then the difficulty can improve, and that's where all the danger is.

As you may know, bitcoin difficulty has hugely accelerated these last months, but can we say it will keep accelerating this way ?

Well I don't think so.

Everyone has heard about Moore's law that basically says that computing power doubles every two years. Well according to this law, our computer's processing speeds needs two years to double, so how come so much bitcoin difficulty increase in a short period of time ?

My answer is popularity. Given all the big events around bitcoins this year, bitcoin has become hot. Everyone wants to give it a try and so the number of mining computers (the number, not their power !) has dramatically increased.
Now I hear many people who start thinking that bitcoin mining is not a thing anymore precisely because of this enormous increasing in difficulty. While everyone rushed at bitcoin mining, the difficulty just adapted to the number of people using bitcoins.

Will this trend continue for a long time ? Probably not. And if this trend stops, the accelerating curve of the difficulty will stop with it. The big question is : Will it stop soon enough so the Prospero mining rig can be profitable or not ? I think there is a chance it does.

Now my last concern is about the actual possibility of shipping this powerful rig in 4 months. It seems a little bit unbelievable compared to what's currently on the market... But the company has a past of happy customers. I checked this thread where they present it. While there is a lot of scepticism, every past customers who posted on this long thread seemed extremely happy about their product. Of course they can make false accounts, but most of them were old accounts with lots of messages, and there was a lot of posts. So I think they are actually trustable.

What do you think of it ? Did anyone pre order it ?

The price is really good, but then I realised it only ship after end of February 2014. Still good to buy.