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Question: What temperature do you keep your rig's GPU /s while mining?
86+ C - 27 (11.5%)
80-85 C - 35 (14.9%)
74-79 C - 74 (31.5%)
68-73 C - 70 (29.8%)
Below 68 C - 29 (12.3%)
Total Voters: 235

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Author Topic: [Poll] What temperature do you keep your GPU?  (Read 5816 times)
phorensic
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June 23, 2011, 05:29:53 AM
 #21

Started out at 80c, opened the side panel and dropped it down to 76c, then decided to get a house fan pointed at the cards - now around 70c.  Then my RAID 0 array failed because the hot air from the cards was blowing forwards in the case onto the HDD's.  Now I have a fan blowing over the remaining good HDD to keep it cool.  Mining has brought on a whole new level of cooling requirements since when I started overclocking in the late 90's.
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June 23, 2011, 05:49:02 AM
 #22

Quote
GPU fans are likely to fail very fast if you keep it on 100%, the bearings will wear out in at most 2 years.

A mechanical engineer's perspective on this... it mostly depends on the bearing quality and number of cycles. If your steel is flawless, they will last a long long time no matter how fast you run them. Otherwise, if there's a flaw (in real life, there always is), it comes down to how big the flaw is and how many cycles you run. Tiny cracks will get bigger over time. I think it's a linear relationship with # of cycles.

Anyway, the fan should last twice as long at 50% speed as 100%, if the steel is high-quality.
http://www.sv.vt.edu/classes/MSE2094_NoteBook/97ClassProj/anal/kelly/fatigue.html

The important equation is about halfway down

newMeat1
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June 23, 2011, 05:56:10 AM
 #23

Lol, I just noticed that professor's link contains "anal"

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April 14, 2013, 06:05:39 PM
 #24

not only that but "anal/kelly/fatigue.html"  Roll Eyes
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April 15, 2013, 08:12:55 AM
 #25

not only that but "anal/kelly/fatigue.html"  Roll Eyes

Necro a 2 year old thread for that comment?

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April 15, 2013, 04:15:40 PM
 #26

It would have been nice if you could have chosen 2 options. As it varies from rig to rig. or card to card.

Knowledge speaks, but wisdom listens...
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April 15, 2013, 05:52:43 PM
 #27

I'm at 95-99 C

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