dnakruf

I have never dealt with ASUS customer support or RMA so if something ever happens to the card I do not know to what extend ASUS would be of help.
 
As stated before, if you can take the card for a test run for a day. I assume that won't be a problem since the owner of the card is your friend.
 
A GPU is a GPU, if it isn't wrecked it can run games without any problems is what I would say drawing conclusions from my exp ^^

Hello I have used 2 RX 580s that were used for mining and here are the tips I could give you from my experience:
 
Does it have a warranty?
How clean is it, is it dusty and is the backplate somewhat oily or greasy?
Did you see it work? If you can stresstest the GPU, please do so and see how stable is the test and the temperatures.
 
-If the temperatures are not stable it might either be because the thermal paste is dried up or the fans are not healthy anymore.
 
Try light and heavy gaming before you buy it and supervise the temperatures; at what degree do the fans start to spin?
And lastly, does the gpu have a custom bios installed?
 
Answer these questions and see how well the card does, if the answers are OK the card is quite usable from my experience ^^

Yes, I do really hope they can keep up with the performance per watt promise.
Thanks for replying.

Cool, thanks!
I have read that the Ryzen 3000 might be released at next Computex, Would it be for the best to get a B450 or x370 series mobo, wait out and replace the 2400g with a 3600?