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theboss
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September 15, 2011, 11:04:29 PM
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cicada
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September 15, 2011, 11:11:40 PM
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Oh how I wish I could rationalize buying 2 or 4 Sad

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mike678
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September 16, 2011, 12:58:27 AM
 #3

wow thats a great deal... If you buy two would you get 200 off? Just assuming you can I'll build a theoretical machine.

40-cpu
180-mobo
1600-4x5970's
48- extenders
250-psu
10-ram
10-flash
60-case(using one stickied in hardware)

total=2,198

3200megahash / $2,198=1.45 which is as good of a ratio as your going to get for brand new.

Plus its cheaper on electricity:

6 5830 machine = 1200 watts
6 5850 machine = 1080 watts
4 5970 machine = 980 watts
chungenhung
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September 16, 2011, 01:11:13 AM
 #4

except the BTC price is so low now that it makes no sense to buy new cards... that is if you are paying for electricity

Trading MtGox USD for Dwolla/ACH deposit/Chase cash deposit
https://bitcointalk.org/index.php?topic=90115.0
Buy/Sell Call/Put Bitcoin options https://bitcointalk.org/index.php?topic=99853.0
critical
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September 16, 2011, 01:28:29 AM
 #5

consider the cooling u need to done too, the second gpu is very hot
hmblm1245
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September 16, 2011, 01:34:39 AM
 #6

I just wish I was able to use this code before I bought my two.  Cry
You might be able to get newegg to honer the code. i have in the past emailed them and they will make "One Time exceptions" on things like that. Just a thought.
mike678
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September 16, 2011, 01:38:54 AM
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except the BTC price is so low now that it makes no sense to buy new cards... that is if you are paying for electricity
It still could be worth it for some who pay for electricity. I pay 8.5 cents per kwh using the above machine that would generate $6.92 a day after electricity. So you would slowly regain your investment and if you held onto the coins they could be worth more. I don't think its unrealistic to say the price could swing up to $11 randomly. If that's the case you could sell then and make 17.93 a day for what you saved up. So it still is worth it.
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September 16, 2011, 03:00:03 AM
 #8

Funny how things change. Not too long ago, these would have been in stock for about 5 minutes.
critical
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September 16, 2011, 03:15:23 AM
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i guess newegg is having the pressure of keeping too much 5970? and selling slowly now, thus the promo
Jack of Diamonds
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September 16, 2011, 09:22:55 AM
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i guess newegg is having the pressure of keeping too much 5970? and selling slowly now, thus the promo

Nobody except bitcoin miners are buying these old gpus like 5830, 5970's etc.

There is no demand because the difficulty is too high compared to the current price.
So they aren't selling out in 5 minutes like a few months back.

Building rigs with the difficulty at 1.75 million and BTC price at $4.8 is plain out stupid if you have to pay for electricity.

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cicada
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September 16, 2011, 12:54:55 PM
 #11

What if I just want my basement to look like vladmir's datacenters? Tongue

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September 16, 2011, 05:24:19 PM
 #12

What if I just want my basement to look like vladmir's datacenters? Tongue
Then you can convince newegg to sell you for $370 a piece.

Trading MtGox USD for Dwolla/ACH deposit/Chase cash deposit
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Transisto
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September 17, 2011, 01:39:02 AM
 #13

don't know what's all the craze about 5970, get yourself two 5870 or 3 5850 for the same price and benefit from better cooling thus higher overclocking.
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September 17, 2011, 04:32:35 AM
 #14

Yeah, don't understand why investing in hardware is a good idea now.  Also the amount of Bitcoin per block will be having at the end of the year.

http://www.btclog.com/uploads/FileUpload/e6/9cc97eb4c91db1ec5fb30ca35f0da8.png
Write an excellent post on btc::log and you just might win 1BTC in our daily giveaway.
btc::log is the professionally managed and community moderated Bitcoin Forum
cicada
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September 17, 2011, 04:53:49 AM
 #15

Yeah, don't understand why investing in hardware is a good idea now.  Also the amount of Bitcoin per block will be having at the end of the year.

Not exactly - as of this post we're at block 145669, and the size of the block reward doesn't halve until 210,000 blocks.

There are 64,331 blocks until we reach that point, and difficulty adjustments attempt to keep blocks generating at the rate of 1 every 10 minutes.

64,331 * 10 min = 643,310 minutes until that point, or

10,721 hours
446.74 days
~14.9 months

There's well over a year before you have to worry about that, though at current exchange rates ($4.87/BTC) it may take well longer than that to pay off your hardware.

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