Long-Term Thermal Question: 24x7X365 @82+

[dandes1407]

I have a product my company has created. The latest version of software (running on Linux Ubuntu 14.4 server) really pushes the CPUs (3 of the 8 cores routinely hit 100%). The program output is good (video) and so I'm not worried about the load. Unfortunately the side effect of this is that the I7-4790 - not the K version) consistently temps out at 81c to 82c degrees. I know this chip doesn't go critical until it hits 100c, but the spec says it should be operating under 70c.
For a chip to run this hot for a unit that might see a few hours here and there - maybe even a day or two is probably ok. My question is, what about a unit that runs 24x7x365 days at this extended temperature? Will I see these things coming back after 2, 3, 6, 10 months all brown and crispy?
FYI - there is already an active cooler on this chip - and it's in a 1U box - so while I could look at other coolers, the choices are very limited because of the low profile.

 

[Viking2121]

For a CPU I typically feel comfortable up until 80C on my particular CPU, anymore I'd try to improve on my cooling or lower my overclock. I'd recommend to find a way to cool them better for long term 100% usage for that long. You can get a cheap hyper 212 they will be be much much better than the stock solution.

 

[Ecky]

Server versions of this same CPU are allowed to run hotter than 82c, 24/7x365 and have proven reliable. Although it's undoubtedly true that higher temperatures reduce the absolute lifespan of a CPU, modern Intel CPUs are so reliable that we have virtually zero data about temperature, because virtually none of them die of it. Tjmax for your chip is 100c and is the point which Intel will throttle the CPU to ensure reliability. 130c is the shutdown point to prevent immediate damage. Lowering temperature certainly can't hurt, though.