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since its summer and we dont have an AC at home, my pc gets a bit warmer than usual. I have an i5 4690k with a good overclock and sometimes the hottest core can reach up to 78°C? Is this still safe for a good lifespan? I personally thought that it cant be too big of a deal since many laptop cpus run at mid 80's. 

What do you guys think?

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Still safe. Lower is better, but the safe point is different for everyone (I stop around 85C) and throttling begins around 95-100C depending on the family.

Cor Caeruleus Reborn v6

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CPU Cooler: be quiet! - PURE ROCK 
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1 minute ago, Tiwaz said:

okay so i dont have to be worried? what cpu do you have?

4690K and 4790K, with the former being what I'm using right now. 

 

You don't have to worry as long as your case has optimal airflow to allow as much heat to transfer off the cooler. 

Cor Caeruleus Reborn v6

Spoiler

CPU: Intel - Core i7-8700K

CPU Cooler: be quiet! - PURE ROCK 
Thermal Compound: Arctic Silver - 5 High-Density Polysynthetic Silver 3.5g Thermal Paste 
Motherboard: ASRock Z370 Extreme4
Memory: G.Skill TridentZ RGB 2x8GB 3200/14
Storage: Samsung - 850 EVO-Series 500GB 2.5" Solid State Drive 
Storage: Samsung - 960 EVO 500GB M.2-2280 Solid State Drive
Storage: Western Digital - Blue 2TB 3.5" 5400RPM Internal Hard Drive
Storage: Western Digital - BLACK SERIES 3TB 3.5" 7200RPM Internal Hard Drive
Video Card: EVGA - 970 SSC ACX (1080 is in RMA)
Case: Fractal Design - Define R5 w/Window (Black) ATX Mid Tower Case
Power Supply: EVGA - SuperNOVA P2 750W with CableMod blue/black Pro Series
Optical Drive: LG - WH16NS40 Blu-Ray/DVD/CD Writer 
Operating System: Microsoft - Windows 10 Pro OEM 64-bit and Linux Mint Serena
Keyboard: Logitech - G910 Orion Spectrum RGB Wired Gaming Keyboard
Mouse: Logitech - G502 Wired Optical Mouse
Headphones: Logitech - G430 7.1 Channel  Headset
Speakers: Logitech - Z506 155W 5.1ch Speakers

 

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8 minutes ago, Tiwaz said:

What do you guys think?

Buy an AC unit? Duh.

Jk, 78C is fine, if you are not comfortable with it, just lower your clocks

CPU: Intel Core i7-5820K | Motherboard: AsRock X99 Extreme4 | Graphics Card: Gigabyte GTX 1080 G1 Gaming | RAM: 16GB G.Skill Ripjaws4 2133MHz | Storage: 1 x Samsung 860 EVO 1TB | 1 x WD Green 2TB | 1 x WD Blue 500GB | PSU: Corsair RM750x | Case: Phanteks Enthoo Pro (White) | Cooling: Arctic Freezer i32

 

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