1070s Mining Rig

juntaki · Mar 3, 2018

Hello guys, after doing some researches I diecided to start my first mining rig.
Here's what I came up with:

Graphic cards:
2x MSI GeForce GTX 1070 Ti AERO 8G
2x MSI GeForce GTX 1070 Ti ARMOR 8G
2x GIGABYTE GeForce GTX 1070 WINDFORCE 2X OC 8GB V2 GDDR5

Powesupply: EVGA SuperNOVA 850 G2 ATX
Motherboard: ASRock H81 Pro BTC R2.0
CPU: Intel Celeron G1840
RAM: Corsair Vengeance 8GB 1600MHz (2x4GB)
Storage: Kingston A400 120GB

Is it better to go with just 6 1070 or 4x 1070ti and 2x 1070?
Is there anything I should change and why?
Thank you very much for your help!

velocityg4 · Mar 3, 2018

Given prices and availability. I'd get whatever GTX 1070 you can.

The 1070 Ti appears to mine about 10% faster. If it costs 10% more for a 1070 Ti. Get that.

PSU: The Seasonic Focus Plus Gold 850w is usually cheaper and the same quality. As I recall. It also has more molex for powering risers. You'll also want some 8 pin PCIe power extensions. The PCIe connectors are too short to get two cards on one cable. They assume the two cards will be jammed right next to each other.

Get a kill a watt meter. So you can adjust power usage. I doubt you could run 6x 1070 on an 850w PSU without dropping their power usage in MSI Afterburner. Which means you'll be mining Ethereum or dual mining Ethereum + something else mainly not ZCash. Even then you'll be pushing that PSU pretty hard. You may need dual PSU. Be sure to crank up the GPU fan curve to something very aggressive if you drop power usage and OC the memory. So, you don't roast your VRAM.

juntaki · Mar 3, 2018

Hello velocityg4, thank you very much for your reply!
I apologize but I meant to write 2x powesupplies.
So you reckon 2x Seasonic Focus Plus Gold 850w? Are they compatible with the motherboard?
Is there any need to go for an i3 cpu or the one I picked is ok?
Thank you for your help!

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1070s Mining Rig

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