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Topic: 8x 1070ti Mining Rig Power Help - page 2. (Read 330 times)

newbie
Activity: 8
Merit: 0
January 24, 2018, 05:09:19 PM
#1
Hey everyone,

I have 24 Gigabyte 1070ti cards (single 8pin power) inbound right now and would like some advice for powering 8 cards per mining machine.

I have 2x EVGA 750w G3 PSUs and I’m looking for advice on how to wire everything up. Currently I’m thinking of one PSU powering the motherboard, cpu, ram, SSD, and 3 GPU + 3 PCIe risers. The second would power 5 GPU + 5 risers. Might be a dumb question but can I use the CPU lead to power GPUs from the second PSU?

Right now my plan was to split the 8pin GPU and 6pin GPU leads, so one 8pin from the PSU powers the card and riser. Unless I’m able to use some molex/sata leads for powering risers (I’ve read that SATA is not a good choice though). The risers I have have three power options; 6pin, 4pin molex, or SATA.

Any advice would be greatly appreciated so that I can safely power everything. Worst case is I move to 6gpu per a machine or upgrade power supplies.

Thanks!
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