- Mar 22, 2008
I bought one for $2,500 (included PSU) and I'm still not sure it's worth it. Probably keep it when it comes next month and just collect Bitcoins for the future, but it looks barely profitable if BTC price doesn't shoot up again.That's way too expensive for something that only gives ~$250/month.
The chance of winning the Bitcoin Block Reward is currently one in 7,898,451 every 10 minutes with 1000 Gh/s. To preserve the odds you would need to adjust your computational power to the difficulty.