Quote from: Watermen on April 06, 2013, 09:05:04 PM

I just started mining bitcoin last week. With my current computer, I am only get about 130mhash.

I am thinking of customizing a mining rig with the best video card on the market. My budget is around $2000.

Please don't tell me to buy ASIC from BLY or Avalon, BLY is not even delivering, Avalon is not even selling now.

My logic of making a gaming machine is that, in the event that it is no longer profitable, at least I still own the machine and can play games with it. If I buy bitcoin now and the price drop, I am going to lose everything.

Can someone please guide me or recommend me?

For example:

Best motherboard:

Best RAM:

Best graphic card:

etc

I really appreciate your input trying to help a newbie like me.

AMD 990 Motherboards brands is your choice, but my preference has always been ASUS or MSI

RAM depends on what you are planning to mine. BTC mining is just GPU dependent so it doesn't really need a good CPU or RAM, LTC mining uses your RAM and from what I have been reading requires about 8 GBs id spend a few bucks and buy some Corsair DDR3 1866 sticks, if for nothing else better resale

I have been getting 605 MH/s (BTC) and 640KH/s (LTC) using the MSI R7950 Twin Frozr at 65C @ 4500RPMs, MSI uses good quality parts and their cooling is very good ((see link in post above)) and also remember these suck about 250w of power each

if you are using 3 or 4 cards you will need to use PCI-e riser cables see http://www.cablesaurus.com/

I only use Corsair PSUs as I have had a great track record with them for myself and my customers, I build/repair systems as a business, plus I love the new i series PSUs being able to monitor the voltages live makes OC'ing a shit ton easier.

Another thing to consider is most PSUs are rated at 80%+ so if you have a 850w PSU that's only 80% certified its only going to give you 850*.8 = 680 under full load, so always check your PSUs rating, as once cheaper PSUs warm up their efficiency drops like a rock. So look for Gold or Platinum PSUs

Windows is easier in my opinion (i know windows well) but costs $100, where if you know Linux it can save you money