Hi bitcointalk, I want to build mining rig but I dont have the slightest idea how will i build one and how much would it cost me. Currently I have $ 2000. Would it suffice to build mining rig?
Yes, $2000 is probably about the average investment in mining equipment. With that amount you could build a nice rig of 4 to 6 cards and the associated support hardware. Much of the choice will come down to which coins you want to mine. Ethereum typically favors AMD and Equihash (Zcash) favors Nvidia, but they both can mine the other algorithm in a pinch.
Typical ETH build:
5 x RX580 8 GB - $310 ea or $1,550 total
1 x mobo with support for 5 or 6 GPUs - ~$120
1 x CPU (Intel G4400) - ~$50
1 x RAM 4 GB - ~ $30
1 x 120 GB SSD - ~$50
5 x PCIe USB risers - $50
1 x 1000 watts PSU - $150
This would put you right at your $2,000 budget. You would also need some type of frame to hold everything so you might need another $50 or so in materials.
A Zcash (Equihash) build would be much the same except you would pick some Nvidia cards such as the 1070's or perhaps the 1060's instead. The 1070's run around $500 so you could run 3 x of them and the 1060's go for $200 for the 3 GB version and $350 for the 6 GB version so you could run 5 or even 6x (if your motherboard supports it).
I also don't agree with your Psu or gpu advice. Not saying it's bad but I have a different opinion. If mining Eth why 5x 580s for 310 dollars? I'd rather have 8x 570s at 210 dollars. Those should be good for another year, and who knows if mining Eth will still be one of the more profitable coins in a year? 8 570s will get you about 224 mHs vs 150 MHs for those 5 580s.
I'd also rather mine Eth with 1070s if I have to pay over 300 dollars for the 580s anyways and wanted DAG size insuranceil into 2019.
I would also get 2 PSUs. 750s or 850 And I'd go evga gq. It's close in price and you run much more efficiently at 50 to 60 percent of load and allows you to run 8 cards.
Don't buy off eBay either. They are selling stuff above retail price and you don't get the warranty.