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500+ of RX580 on hand, 300+ of RX570.
Actual SKUs:
RS570
11266-04-20G
11266-06-20G
RS580
11265-01-20G
11265-07-20G
PM if keen and I can provide pricing
You are not allowing pm's from newbies. Could you please provide the pricing for me please? |
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hehe I do speak russian  ) And I think you do too ) Looking for good prices for GPUs - it looks that prices got much higher  Yes, they have increased significantly since the December. The last time I bought them I got for £250 each of RX570 8GB now I cant find a deal close to this price. |
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12.4p kw/h looks good. I'm currently with SSE, 13.5p I think and a standing charge on the top which is similar to Bulb. I would like to make a weird bet, I think you are not english, since igrok in russian means player, is that true? |
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Dont think it would be very difficult to set up a linux rig since you got some experience with computers and on top of that there are many tutorials how to do it. Where are you based, UK by any chance? |
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Guys, do you think setting up rig 1x Mobo 12x GPUs - is easy enough to set up?
(in theory - it is the same as 1x Mobo and 2x GPUs - but a little more work with the wires and flashing them)
What's your opinion on this? Any caveates?
It depends on how skilled are you. Windows support only up to 8 cards if I'm not wrong. So if you wanna go higher you need to move onto Linux. |
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Thanks! Really appreciate your time. How is your Rig running BTW?
I got two rigs now running both identically the same apart from one rig gpus are flashed and the other are just boosted with MSI afterburner. I noticed that PSU of 1000 watts is to small and them cards require at least another 200 watts on the top. The rig with cards that are not flashed lacking only about 25 mh/s. I have not yet checked the actual power usage with a device on this rig but the first rig with flashed gpus continuously draws about 1100 watts. |
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Hello all,
I have got a rig of six Sapphire Nitro+ RX570 8GB. I have modified and flashed them with one and single bios. Now every single GPU is hashing at the rate of 28.8+ and power consumption bellow 110 watts and temperature not reaching 60c. Process clock: 1125, memory clock: 2000. Two gpu's not giving a single memory error and the other four is throwing errors but still keeping hash rates stable.
How is this possible that one and the same bios is working differently on 6 and the same type of GPU's. How to resolve memory errors? Should i try to overclock problematic cards at the lower levels?
Any suggestions?
Hi, I hope you dont mind me asking but I too am setting up a rig with 6 Sapphire Nitro+ RX570 8GB cards. I have a Seasonic Prime SSR-1200GD 1200 W 80 Plus Gold Modular Active PFC Power Supply Unit. Can you share what Risers you have installed (do you have a link?)?? Many thanks for your time T-Module Updated PCI-E Express 1x to 16x Powered Riser Cables 0.6m USB3.0 SATA to Molex 6 Pin Kit Pack of 6, GPU Adapter Card Extender Cable Building https://www.amazon.com/dp/B071ZF96W8?ref=yo_pop_ma_swfHi really appreciate your reply! Are these the equivalent in the UK https://www.amazon.co.uk/T-Module-Extender-Building-Ethereum-Extension/dp/B071ZF96W8 ?? Just want to make sure  Pretty much any risers will do the job. Just dont take the cheapest ones as they can fail and burn your gpu. |
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Hello all,
I have got a rig of six Sapphire Nitro+ RX570 8GB. I have modified and flashed them with one and single bios. Now every single GPU is hashing at the rate of 28.8+ and power consumption bellow 110 watts and temperature not reaching 60c. Process clock: 1125, memory clock: 2000. Two gpu's not giving a single memory error and the other four is throwing errors but still keeping hash rates stable.
How is this possible that one and the same bios is working differently on 6 and the same type of GPU's. How to resolve memory errors? Should i try to overclock problematic cards at the lower levels?
Any suggestions?
Hi, I hope you dont mind me asking but I too am setting up a rig with 6 Sapphire Nitro+ RX570 8GB cards. I have a Seasonic Prime SSR-1200GD 1200 W 80 Plus Gold Modular Active PFC Power Supply Unit. Can you share what Risers you have installed (do you have a link?)?? Many thanks for your time T-Module Updated PCI-E Express 1x to 16x Powered Riser Cables 0.6m USB3.0 SATA to Molex 6 Pin Kit Pack of 6, GPU Adapter Card Extender Cable Building https://www.amazon.com/dp/B071ZF96W8?ref=yo_pop_ma_swf |
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Thanks for the article. Really helped to boost to 28.3 Mh/s in single mode (at 74 degrees C, 95 watt)
Not getting any hash errors.
I wonder if you have sufficient power/volttage on the cards.
Do you think that you have sufficient PSU?
I remember similar issues with DDRAM (depending on sequence, placement) - I was "losing" RAM till I found that stronger PSU solved it
NB: going to install more GPU, will report back with my findings (so far running just one)
Cheers
Did you flash your cards? My power meter currently shows the whole rig is using below 950w of power so I would assume it should be enough. My cards throw memory errors at random. Sometimes when i reboot my system gpu0 is showing stable 0 next time same card is throwing many errors, very strange. What motherboard do you use and how many rams you got installed? |
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Have you switched it to use onboard graphics as primary display device in the bios?
Mobo: ASRock H81 PRO BTC R2.0 S1150 Intel H81
GPU's: 6x Sapphire RX570 Nitro+ 8GB
I never had any problems booting the system before as I was setting the rig up whilst the screen was always plugged in and now when everything is set up I must plug the monitor in to boot the system. Never ever had this kind of problem with any other computer systems.
Mainboard Bios -> advanced settings -> disable render stand by. I'm not sure which suggestion helped more as when I entered BIOS I have change switched on together. Now it boots perfectly from the first time. Thank you! |
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Mobo: ASRock H81 PRO BTC R2.0 S1150 Intel H81
GPU's: 6x Sapphire RX570 Nitro+ 8GB
I never had any problems booting the system before as I was setting the rig up whilst the screen was always plugged in and now when everything is set up I must plug the monitor in to boot the system. Never ever had this kind of problem with any other computer systems.
What happens if you boot up the system with a monitor installed and later, when mining has started, you just take out the monitors power cord from the outlet? I use my rig that way and if I need to do something with it I use Team Viewer from my phone or laptop. System does not crash or anything it carries on mining, but the problem is that if I need to restart the system remotely whilst I'm connected through TeamViewer system does not load up without a monitor plugged in. Mobo: ASRock H81 PRO BTC R2.0 S1150 Intel H81
GPU's: 6x Sapphire RX570 Nitro+ 8GB
I never had any problems booting the system before as I was setting the rig up whilst the screen was always plugged in and now when everything is set up I must plug the monitor in to boot the system. Never ever had this kind of problem with any other computer systems.
Mainboard Bios -> advanced settings -> disable render stand by. Will try this out once I get back home from work. Thank you. |
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Mobo: ASRock H81 PRO BTC R2.0 S1150 Intel H81
GPU's: 6x Sapphire RX570 Nitro+ 8GB
I never had any problems booting the system before as I was setting the rig up whilst the screen was always plugged in and now when everything is set up I must plug the monitor in to boot the system. Never ever had this kind of problem with any other computer systems.
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Really? There isn't anything else that I could do? |
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Hello all,
I have got an issue where my rig just simply does not boot into the windows if no display is plugged in. System starts, internet socket flashes green, gpus power up, everything seems normal but windows do not load. Rig is not visible on local network, does not connect to router. Only after I connect display into one of the gpus system boots up with no problems.
Any suggestions?
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Thank you just quick question when i try to overclock with MSI afterburner i was getting 30MH/s but when i was using wattman i got 31MH/s so can i overclock with wattman and undervolt with MSI Afterburner ?
How do you launch WattMan. On my system I sometimes get an error message from WattMan but I cant find how to launch an app itself. |
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Looking really good!
Here are few questions.
Have you flashed any of your cards?
What drivers are you using? AMD Crimson block chain or regular newest drivers? As with the same card on my system I cant reach the speeds close to yours using regular non block chain drivers.
Did you work on specific windows settings?
Yes i flashed all of them i copy timing from 1:1750 and paste it on 1:2000 Here is the driver that iam using  And i used this to tweak my windows https://mega.nz/#!8gZzjQaa!Dt4wE0WEo8nZkui_-cAAXL4mb4YlO6CJgFZTXKq9pnQ and also i increased my Virtual Memory INCREASE VIRTUAL MEMORY In search type “This PC“, right click on it and choose “Properties“ Then click on “Advanced System Settings“ On “Advanced” tab where it says “Performance” click on “Settings“ Click “Advanced” tab At the bottom you will see “Virtual memory“, click on “Change“ 1. Uncheck “Automatically manage paging file size for all drives“ 2. Check “Custom size“ 3. In the “Initial size (MB)” type: 16000 (or directly 16000) 4. In the “Maximum size (MB)” type: 20000 (or more like 20k) 5. Click “Set” , then “OK” and “Apply“ Restart the rig Do your gpus show any memory errors? Try to check using HWiNFO64 app. What were the steps you were following when flashing gpus? Did you first save the bios of individual card and then modded it again individually or saved a single card bios and then flashed the other cards? I got a problem where I have used a bios of a single card and flashed over the other cards and some cards are throwing out many errors. |
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Looking really good!
Here are few questions.
Have you flashed any of your cards?
What drivers are you using? AMD Crimson block chain or regular newest drivers? As with the same card on my system I cant reach the speeds close to yours using regular non block chain drivers.
Did you work on specific windows settings?
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Hello all,
I have got a rig of six Sapphire Nitro+ RX570 8GB. I have modified and flashed them with one and single bios. Now every single GPU is hashing at the rate of 28.8+ and power consumption bellow 110 watts and temperature not reaching 60c. Process clock: 1125, memory clock: 2000. Two gpu's not giving a single memory error and the other four is throwing errors but still keeping hash rates stable.
How is this possible that one and the same bios is working differently on 6 and the same type of GPU's. How to resolve memory errors? Should i try to overclock problematic cards at the lower levels?
Any suggestions?
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