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which card is best for me

post #1 of 10
Thread Starter 
so i am moving soon and at my new place i wont have to pay for electric, its included in the rent. Since that is an awesome deal, i play on running my ac all the time to keep the place cool and would like to put together a lot of my extra components and make a 24/7 GPU folding rig or 2. i intend on just using a cheap cpu but with a motherboard able to support 3 or 4 video cards.

my question for you all is, what is the most cost effective card to buy for this? GTX 4 or 5 series or should i be looking at something older? im running an EVGA GTX 570 SC in my main rig that i love and its pulling over 21k PPD at stock clocks. it would be a dream to run a bunch of those but i dont quite have the cash for that.

i am very open to suggestions for both video cards and cheap mobo cpu combos to handle such a thing.

thanks all
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post #2 of 10
AFAIK GTX 5xx cards right now are best price/performance deals. Not to mention they run cooler than 4xx => better OC => better PPD smile.gif
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post #3 of 10
biggrin.gif I clicked on this thinking it was an Nvidia thread but am happily surprised to see it's a folding one! biggrin.gif (I'm subbed to both)

If I were you I would just be looking at the marketplace and the online deals here for both used and sales on new cards. What I would probably be looking for would be cheap 460s, 470s or 480s, all of those should have had their prices dropped far enough that on a decent deal on a 580 you wouldn't really be paying the premium you normally do for the X80 cards so there are all good buys. For the 500 series I would be looking for pretty much the same thing, the 560, 560ti 560ti 448c,, 570 and maybe 580, probably the 560ti and 560ti 448c would be the best deals there.

Doing some quick math based on some rough numbers I've seen for price and PPD I think the 480 at $250 or less would be your best bet by far if you can stand the noise.
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post #4 of 10
Thread Starter 
noise wont really be an issue, it probably just going to be sitting in a corner folding away. what about a cheap cpu/mobo i can use for 3 of these?
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post #5 of 10
That will be tougher because 3 PCIe x16 physical lanes don't come cheep. I would look into either a older p55 or AMD 700 or 800 board, basically anything that has the amount of PCIes you'd need. The other option is to get just the cheapest board you can find that has atleast 3 PCIe x1 and by some cheap x1 risers and cut the end out of them, or just cut the end out of the mobo's slots themselves. Now I'm not sure if you would have some decreased performance folding at only x1 but if I remember correctly it was zero to minimal amount of performance decrease.
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post #6 of 10
Thread Starter 
wow i didnt even know that would work. i thought the cards also draw power from the pci slot
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Western Digital Black 1TB Smasung 850 evo  Custom loop windows 10 
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post #7 of 10
The power pins are the ones that are the same for all different lane widths, i.e. they are the first pins. The last x4 or x8 or x16 are all data. smile.gif
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post #8 of 10
Thread Starter 
good to know. that may be the way to go then. thanks for the info.
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Western Digital Black 1TB Smasung 850 evo  Custom loop windows 10 
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post #9 of 10
If funds allow, build a multi processor folding rig. The lower end ones, $700-$1500 far out do and GPU folding, and use less power ass well. tongue.gif
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post #10 of 10
Quote:
Originally Posted by BritishBob View Post

If funds allow, build a multi processor folding rig. The lower end ones, $700-$1500 far out do and GPU folding, and use less power ass well. tongue.gif

Not fair, how come you get to say ass? I want to say ass...

4 CPU rigs do get far more points per watt and per upfront cost than a GPU farm but both CPU and GPUs are useful to the science as they work on different WUs related to different things.
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CPUMotherboardGraphicsRAM
Intel i7 2700k ASUS P8P67 WS Revolution EVGA 980 Ti SC+ Samsung 4x4GB DDR3 1866MHz 
Hard DriveHard DriveOptical DriveCooling
Samsung 850 Evo 1TB Samsung Spinpoint F4 2TB Samsung BD Combo Noctua NH-D14 
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Windows 10 64 bit Asus PG279Q Kingwin Lazer Platinum 1000W Silverstone Raven RV03 
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