Best GPU for ZEC/ETH? (No electricity cost)

My GPU3 seem working fine with about 740sol/s but my GPU0, GPU1, GPU2 only about 640-700sol/s
do you know the reason, please advise
Thank you so much jimmy97one61!

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Maybe a power saving feature but i dont know sorry benrafael !

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Thx u, i will check and get back soon

@Cryptohminer
Hi,
I need you help , I newbie ^^
I use same card with u,
ae52c2794761371001c201f4b24312c66abd8307.jpg

  1. temp ? how u can do it? any fan ? mod fan, air-conditioner ?
    2.could u send me code, which help me show this info?
    sorry, my English not good,
    many thanks !

Each one of his GPUs is watercooled.

You just need to add this to your .bat file: --pec

  1. WOW !!
  2. thanks u so much ! ^^
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Did any of you experience slower mining speed on PCIE USB3.0 risers? my 1080 on motherboard do around 500 sol/s on riser only 400. Any ideas?

yes I also noticed that and I used sata to molex and then I had some weird things going on with the gpu usages and when just going to molex I had no problem

I moved riser now from shor PCIE to full size and speed is back to normal, weird I read everywhere that for mining there is not difference betwen short and long PCIE

no there isn’t because your gpu isn’t fast enough to gain any benefit from 16x pcie slot.
But I think it has something to do with the power delivery or something like that.

Hi all,
Could some one help me?

It rejected and stop working , I must press Enter and it working again !
Could you send me a Mining file? or help me solve
Many thanks !

@jimmy97one61
could u help me, please !!!

@Duy_Vietnamese I can try but with EWBF’s miner 0.3.3b I never got this problem (3 rejected shares on 0.0591ZEC)

Have you overclock your GPUs? If yes you should start by setting everything to stock

thanks you , no overclock !
when have problem, ping very high
they told me check a network but not ok

First, you’re screenshots are telling two different stories, after burner says 60c but the mining software says your highest card is 51c.

Post your config here and send a screenshot with the error as well as showing afterburner being set at stock.

@CitricAcid
I use 0.3.3b and 0.3.4b
My config ?
miner --server asia1-zcash.flypool.org --port 3333 --user t1JccsM5rnfQhjWeTqVoXJ2s9XVRZSqsSWt.01 --pass x
It this?

When it come, if I enter => it work again , If nothing , => it stop until a come back !
before

After press “Enter”

please help me

You said “no overclock”

@jimmy97one61
I don’t know, this set up ready when I buy this rig
ok, I will set again

thanks u ,

@jimmy97one61
I try, But not work ":((
My rig run win 10 64bit , driver 382.05 , MSI Afterburner 4.3.0, any suggest ?

Still fine one this one