Author

Topic: Having trouble picking a GPU (Read 526 times)

legendary
Activity: 1820
Merit: 1000
March 25, 2013, 11:42:33 PM
#6
Just realized that Asrock mobo won't work with Sempron or Athlon, so you want this instead

http://www.newegg.com/Product/Product.aspx?Item=N82E16813157262

legendary
Activity: 1820
Merit: 1000
March 25, 2013, 11:38:03 PM
#5
+1 for 5850. Any 58xx card is good, but 5850s are the best bang for the buck.

For a CPU, I'd just get an AMD Sempron if it will be a dedicated rig for mining. Maybe an AMD Athlon xII if you can afford it.

I recommend Linux over Windows since it's free. And just run it off a cheap USB stick instead of spending $ on a HD. Linux peppermint is a good distro that is pretty newb-friendly if you aren't familiar with linux.  

And no closed case! Just makes it harder to cool the GPUs, and costs more $. Just put the rig in a plastic crate or something - many ideas on the forum for cheap open air frames or racks.

In case you are wondering about other parts:

Mobo:

http://www.newegg.com/Product/Product.aspx?Item=N82E16813138362

You can actually fit 3 GPUs on this (using pcie extenders), since it has 2 x1 pcie slots. If you can afford it, try going up to a mobo that has two normal pcie slots, and two x1. I like Biostar for mining, since they run GPUs off the x1 pcie slots no problem (with some brands, shorting pins is required).

This mobo is more expensive, but leaves great room for expansion, since it has 5 pcie slots total and thus can accomodate 5 GPUs. Something like this is your best bet if you can afford it. Asrock is also a good brand for mining.

http://www.newegg.com/Product/Product.aspx?Item=N82E16813157339

RAM = something cheap, 2 G is plenty if you run linux.

PSU

http://www.newegg.com/Product/Product.aspx?Item=N82E16817703028

^^ I that is the best bang for the buck I know of, though it may be over your budget. It has more power than you need initially, but again leaves room for expansion. You might find a better bang for the buck if you search, but whatever you do, don't skimp on the PSU - mining requires a high quality PSU.

Good luck!

legendary
Activity: 1268
Merit: 1009
March 25, 2013, 11:23:11 PM
#4
why not just save more money and get a 7970

He said highest hash rate for the money.  The 7970 gets 600-700 mhs but also costs more than 300 dollars, and that is used.  For that price, you could get 2 5850's which can get 600-800 mh/s, plus he would be saving more money.
legendary
Activity: 1610
Merit: 1004
March 25, 2013, 11:09:04 PM
#3
why not just save more money and get a 7970
legendary
Activity: 1268
Merit: 1009
March 25, 2013, 10:56:28 PM
#2
5850 is definitely recommended.  80-120 bucks on ebay/on the forum.  Mines litecoin at around 300-400 kh/s
member
Activity: 98
Merit: 10
x1 7970 | Aprox. 587 kh/s
March 25, 2013, 10:49:14 PM
#1
Im getting a headache over picking a GPU. I really need to get the highest hash rate for my money. I have $570 for the whole build. Any help would be IMMENSELY appreciated.

I'll be mining for Litecoins, and using linux or windows 7. Also, a CPU recommendation would be nice. I won't be CPU mining but im sure you know a computer won't function without a CPU.

Again HUGE thanks in advance. 
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