Topic: 24 GPU mining setup reviewed this weekend on livestream - page 2. (Read 2544 times)
I can 100% confirm that the 4U cases mean that temperatures are lower and fans are more efficient. Although the cards are close together, you are also to concentrate your airflow. My earlier rigs which are the stereotypical 6 gpu open air rigs run at 65-72 degrees but my 8 gpu rigs in 4U rack mountable cases run at 55 degrees or so. The rack mountable cases also allow for the ability to control airflow in a larger mining farm. This means you can utilize hot aisle cold aisle cooling scheme which will greatly increase cooling efficiency if you use a CRAC unit as opposed to the fans that most people use.
why all this trend about 4u rack for gpu? you save more space upward but place more rig downward, the result should be the same, but the cooling will be worse with this 4u system,the cards are too close imho
don't say anything before you try it yourself. 
i also used this kind of layout to rebuild some of my rigs (check my posts in the RIG Porn) and the temps are even better as previously in the open build.though my rigs are standing and not lying. the fans are blowing the GPU's through, so there should be 1 cm space between them and this should be enough, believe me.
Previously my 6x RX 470 4GB had 75C @ 50-60% fan now they are at 52-60 degrees with 20-30% fan speed...
of course you have lower temp now you are comparing 6 gpu against 5 gpu that i see in the photo, do it with 6 versus 6 i'm sure it would be worse or at the best the same, it depend how you are setting the frontal fan in the open rig versus this u4 rack
legendary
Activity: 1848
Merit: 1166
My AR-15 ID's itself as a toaster. Want breakfast?
the 4u cases make the miners easily stackable... cable config in one place... easier to route airflow and occupy more vertical footage efficiently.
Those cards are way too close for my taste.
Also, are those 6 x 580's on 1000W and 1200W PSU's? Unless they're TDP limited, they will pull 200 watt each which is a lot.
Also, are those 6 x 580's on 1000W and 1200W PSU's? Unless they're TDP limited, they will pull 200 watt each which is a lot.
https://www.youtube.com/watch?v=3wS-KskMVjU
If you have a chance, join the livestream this Saturday around 7pm CST
Covering Q&A and showing the results of the 4 builds
nice video, i will instal 30vga in next day i need this If you have a chance, join the livestream this Saturday around 7pm CST
Covering Q&A and showing the results of the 4 builds
why all this trend about 4u rack for gpu? you save more space upward but place more rig downward, the result should be the same, but the cooling will be worse with this 4u system,the cards are too close imho
don't say anything before you try it yourself. i also used this kind of layout to rebuild some of my rigs (check my posts in the RIG Porn) and the temps are even better as previously in the open build.though my rigs are standing and not lying. the fans are blowing the GPU's through, so there should be 1 cm space between them and this should be enough, believe me.
Previously my 6x RX 470 4GB had 75C @ 50-60% fan now they are at 52-60 degrees with 20-30% fan speed...
why all this trend about 4u rack for gpu? you save more space upward but place more rig downward, the result should be the same, but the cooling will be worse with this 4u system,the cards are too close imho
about temp of gpus when you close rig 
For the folks that dont watch our video's this is what we are talking about
https://www.youtube.com/watch?v=3wS-KskMVjU
If you have a chance, join the livestream this Saturday around 7pm CST
Covering Q&A and showing the results of the 4 builds
If you have a chance, join the livestream this Saturday around 7pm CST
Covering Q&A and showing the results of the 4 builds
Jump to: