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cicada

full member

Activity: 196

Merit: 100

Quote from: btcbaby on September 16, 2011, 11:32:35 PM

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.

btcbaby

member

Activity: 87

Merit: 10

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.

Transisto

donator

Activity: 1731

Merit: 1008

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.

chungenhung

legendary

Activity: 1134

Merit: 1005

Quote from: cicada on September 16, 2011, 07:54:55 AM

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.

cicada

full member

Activity: 196

Merit: 100

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

Jack of Diamonds

sr. member

Activity: 252

Merit: 251

Quote from: critical on September 15, 2011, 10:15:23 PM

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.

critical

full member

Activity: 160

Merit: 100

i guess newegg is having the pressure of keeping too much 5970? and selling slowly now, thus the promo

Dargo

legendary

Activity: 1820

Merit: 1000

Funny how things change. Not too long ago, these would have been in stock for about 5 minutes.

mike678

full member

Activity: 182

Merit: 100

Quote from: chungenhung on September 15, 2011, 08:11:13 PM

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.

hmblm1245

hero member

Activity: 628

Merit: 500

Quote from: ?? on ??

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.

critical

full member

Activity: 160

Merit: 100

consider the cooling u need to done too, the second gpu is very hot

chungenhung

legendary

Activity: 1134

Merit: 1005

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

mike678

full member

Activity: 182

Merit: 100

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

cicada

full member

Activity: 196

Merit: 100

Oh how I wish I could rationalize buying 2 or 4 Sad

theboss

member

Activity: 94

Merit: 100

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