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Butterflylabs has a new 600 GH/s Bitcoin miner for $2,196.
According to here, 600 GH/s at today's rate would mine approximately $170 a day. This means you make back the original cost of the miner in about two weeks and start making a profit from there on.
This seems too good to be true. Is there something I am missing here?
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The part you are missing is that it is a preorder and the current estimate is that if you ordered now, you would likely not receive your mining hardware until April 2014.
This site shows a good calculator and I have configured it to show the (lack of) profits you would make if you started mining with this miner starting in April:
1Thanks, that really cleared things up. So this card is only profitable if the value of bitcoins increase with time? – AliAkbo – 2014-01-08T19:29:50.567
That is correct. – Scott – 2014-01-08T19:44:03.443
1Nice work Scott. Are there any ASICs out there that actually do justify investment? – tofutim – 2014-03-21T00:24:30.070
Not that I believe and do trust me that I look. The issue is that most ASICs that do justify an investment are preorders which unjustify the investment by the time you receive the ASICs in your hand. – Scott – 2014-03-21T21:16:05.967
1This is quite interesting, thanks Scott. Are there historical graphs of the difficulty ? – BlueTrin – 2014-04-11T08:55:11.767
Yes, right here: https://blockchain.info/charts/difficulty
– Scott – 2014-04-11T17:43:42.5401
or http://bitcoin.sipa.be
– Jonas Schnelli – 2015-05-22T14:25:51.617