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rowan · 06-06-2011, 07:41 PM

This guy breaks it down... he paid $8000 for a 4 machine setup that does about 6Ghash/sec.

So in an 880Ghash/sec pool he would earn (6 / 880) * 49 BTC = 0.334 BTC, which works out to 2.67 BTC per day or roughly $USD40/day.

So if the value stayed the same and the difficulty of mining also stayed constant he'd pay off his investment in 200 days. (It becomes cost neutral sooner because if the currency died tomorrow the hardware still has second-hand value)

Still seems pretty risky, especially for the guy that has his cluster of 24 machines.

More impressive is the bitcoins he's purchased over time...

500BTC -> $135
700BTC -> ??? (Canadian funds, he doesn't say how much he spent. Let's say $200)
25,000BTC -> $20,000

His cash investment of roughly $20,300 for 26,200 BTC is now worth just under $500,000.

Whether he could cash it all out without seriously swaying the market is another matter... but at the very least he could probably get back his initial cash investment, at current rates $20,300 is less than 5% of his total BTC investment...

06-06-2011, 07:41 PM
rowan Too lazy to set a custom title Join Date: Mar 2002 Location: Australia Posts: 17,393	This guy breaks it down... he paid $8000 for a 4 machine setup that does about 6Ghash/sec. So in an 880Ghash/sec pool he would earn (6 / 880) * 49 BTC = 0.334 BTC, which works out to 2.67 BTC per day or roughly $USD40/day. So if the value stayed the same and the difficulty of mining also stayed constant he'd pay off his investment in 200 days. (It becomes cost neutral sooner because if the currency died tomorrow the hardware still has second-hand value) Still seems pretty risky, especially for the guy that has his cluster of 24 machines. More impressive is the bitcoins he's purchased over time... 500BTC -> $135 700BTC -> ??? (Canadian funds, he doesn't say how much he spent. Let's say $200) 25,000BTC -> $20,000 His cash investment of roughly $20,300 for 26,200 BTC is now worth just under $500,000. Whether he could cash it all out without seriously swaying the market is another matter... but at the very least he could probably get back his initial cash investment, at current rates $20,300 is less than 5% of his total BTC investment...