GTX 1070ti
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UFO has made me a happy man the last few days!
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I was thinking 6x 1070ti. I havent research UFO yet. Maybe I will give a try I dont know
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@anema said in GTX 1070ti:
I was thinking 6x 1070ti.
Go big or go home, eh? :)
I’m sure you’re going to use usb risers then. If this is your first build, please consider using 6 to 4 pin molex connectors straight from a modular psu and throw away sata-based connectors. 200W+ cards can draw enough through the pci slot (6 amps) to warm up/melt those sata connectors that are not designed for 24/7 mining gpu’s. Don’t need any fires, right? ;)
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@bluebox
Do I understand correctly? Normal PCI riser 4 pin socket which is connect to the power supply ? You want me to use 6 pin socket PCI riser right? And btw this is going to be my second rig :) like this https://www.amazon.com/6-Pin-Powered-PCI-Express-Riser/dp/B071G2MGCD ?Ty
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Yes, but do you see those black and yellow 6-pin to SATA connectors? Those are what you need to not use. For those risers, buy 6-pin to 6-pin male cables, one for each riser, and go straight from the PSU’s modular Peripheral IDE/SATA/Molex port straight to the riser just like the GPU power cables go from the PSU CPU/PCI-E ports to your cards.
It’s your call what you want to do though.
Just make sure the gauges on any cables you use are high enough to handle the current, up to 6.25A (75W), particularly if you’re overclocking. Otherwise you could overheat/melt them. Too many people try running two risers with big cards off of one serial SATA cable from the PSU because they don’t have enough modular ports (buy a better/bigger PSU, or at least a second one!!), they overclock the cards pulling full power, and… well… :fire:
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In all the research I did on mining and building mining rigs before I got started, I never once saw this piece of advice. It makes perfect sense…basically you’re strengthening the weakest link in the whole system as far as wiring goes…
Thanks, man!! I’ll have to buy some of those wires ASAP.
Mine are a little different. The ones I got aren’t 6 pin to SATA, they are molex to SATA, but the same principal applies…
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You can never learn enough about this stuff. ;)
Here’s the kind of thing you need: $39 8-pack of 2 foot long 6-pin male to 6+2 male 16 gauge wires to fit the usb risers you linked. :)
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Guys Ty for advice and I totally I agree. I have been doing research about the mining rigs never saw this kind of advice. And after your post there I dissscued it with my friends you are absolutely right.
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Btw What about molex to 6 pin is it okay to use it ? connect it directly to the PSU
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@anema said in GTX 1070ti:
Btw What about molex to 6 pin is it okay to use it ? connect it directly to the PSU
“Molex” is a company name, not a specific pin configuration. The single row 4-pin used for old-school IDE/SCSI hard drives is a molex design, as is the 2-row 3-wide 6-pin config used for 75W GPU connectors. Either one will have heavier gauge wires, usually 18AWG or lower, as opposed to 26AWG or worse used in those SATA plugs.
Given the same amperage, the amount of heat generated in a wire drops with increased thickness of the wire. Physics 101. The lower the gauge number, the thicker the wire. The 16 or 18 gauge wires used in 4 or 6 pin molex connectors will generate much less heat than the 26 gauge wires used in some SATA connectors, which have much lower current ratings.
IF YOU KNOW WHAT YOU’RE DOING and have the proper measurement tools, you can check the current draw from your cards when fully utilized AND o/c set to max. If it’s below the current rating of your connector of choice then you’re ok to use it. Otherwise, best to err on the side of common sense and spend the few relative bucks and use the proper stuff, especially when you’re spending many hundreds of dollars per gpu. ;)
