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umm?
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I'm going to get two 6870's, plus I have a core 2 duo 2.66 overclocked to 3.2, 4gb ram, 500gb 7200 sata and a 150gb 10,000 sata. 6 fans.
I'm looking at an ocz 1250W for about $250. I did some calculations on the newegg PSU calculator and it's saying I'd only need about an 800W PSU, in which case a 1,000w would be fine (and cheaper).
What are your suggestions?
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If I were to uninstall bitcoin from my PC, wouldn't that mean that I'd loose them all? How could I ensure I won't lose my BTC?
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I'm in the market for a few video cards. I'd like some good mining cards. I currently have a 4870 and average about 77mhash/sec. I'm thinking if I get dual 5850's, I'd need a bigger PSU too. I only have a 550W right now  Anyway, if anyone wants to get out of the game, I'd like to get in... even if it's for the very end |
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I found that the best way to go is with low power amd builds. Get a cheap (CHEAP) processor, a motherboard (also cheap) that can handle 1-2 powerful cards, and calculate what its power requirements are carefully for the power supply. Buy as little ram for it as you can, same with the hard drive. Use an old dvd player laying around as an optical drive, or again, but a cheap one. the hard drive Im still looking into, as some people can get mining working from just a flash drive.
The 5850 currently is a massively powerful card for mining, 270 mhash/s stock, and Ive got one running overclocked pushing 392 mhash/s. My main miner cost $1000 to build, and puts out 1.2ghash/s. There's a potential to put out as much as 1.6 ghash/s with this one, but Id have to spend $500 on cooling.
What's your build? |
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Huh, so I'd be better off getting a better card rather than just putting two 4870's in it? That wasn't what I was expecting. I'm not sure what the 512mb 4870 uses, power wise.
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I think I'll just get another 4870 and just mine with that. I need to start looking into pool mining. Soooo much reading involved with this, lol. Anyone think a quad xeon server would be good at mining? I'm pretty sure my 2x4870's will blow it out of the water. Just wanted to see if it could be put to use. cdb000, how much for two 5870's? Fasti, thanks for the heads up. I'm still thinking about putting them both in. I've got an Antec 900 case and it has quite a number of fans. When all else fails, I can just take the side off  |
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What does that kill-a-watt say? Tilt your head to the left: 379 (watts). That's what my system was running at under stock clocks. I have both cares overclocked now, running at 420W. Wasn't sure if it was 3.79/month or what to run that machine. What are the specs? |
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So when was it worth it? I see it's meant to run out with current trends in 2140 after 21 million coins are mined. That's still a lot of coins to be found.
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Yeah, that's the thing I have to look into. I only pay about $0.12 CAD per KWH but I'm still not sure if it'd justify building a dedicated rig. I have a 4u server at home in the US, 4 xeon procs with HT. I'm thinking about setting that up next time I'm home. I also have a HD 2XXX radeon that I'll put into another machine and run that.
I was thinking about building a budget miner. Budget CPU with 2,3 or 4 GPU's. I'd have to see what the cost would be and then go from there.
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What does that kill-a-watt say? |
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I'm still looking into mining to see if it's really worth the costs.
I've been messing with kradminer.com and bitcoinplus.com. I've found that the GPU dominates the CPU for this job.
Here's my rig:
2.66ghz core 2 duo overclocked to 3.2ghz
Radeon HD 4870 512mb
4gb ram
150gb 10k rpm hdd
I know disk space, ram, and CPU don't mean much.
I do have a second PCI-e slot and I was looking around for another Radeon HD 4870 to set up via crossfire.
I'm just not sure if it's worth mining. I only started playing around with and reading about bitcoin the other day. I'm still not exactly sure how they even work or why they are worth anything.
I read about someone who averaged it cost about $0.65 per BTC generated. I also heard that the going rate right now is $7/BTC. That's a pretty large profit.
I still have lots of reading to do. Read somewhere that you can strike gold and get 50BTC somehow but I'm not even sure how that works, lol.
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