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Discussion Starter #1
Hi guys, I have just finished building my system and to make the story short I'm constantly experiencing this annoying buzzing as I start playing Witcher 3, COD Black Ops 3, or anything that puts stress on my card including heaven benchmark.

Things I have tried;

Used MSI Z170 Gaming M7 MB = Same result
Used MSI Z170 Gaming M9 ACK = Same result
Used Asus Maximus VIII Hero = Same result
Used MSI Z97 Gaming 5 = Same result

Power Supplies:
Thermaltake 850w Gold = same result
Antec 1000w gold = same result
Corsair AX860 = Same result
Corsair 1200i = same result
EVGA Supernova 1000w P2 = same result

Models of GTX 980 Ti I have used:

2x EVGA GTX 980 Ti SC+ = same result
EVGA GTX 980 Ti Reference = Same result
EVGA GTX 980 Ti Hybrid = Same result
3x Asus GTX 980 Ti Strix = Same result
3x MSI GTX 980 Ti Gaming 6G = Same result

I finally gave up and no matter what the coil whine / buzzing does not go away. I have the PC sitting right next to me on the desk and if I mute the game sound I can certainly hear it but obviously with game sound turned up or if I use Headphone nothing can be heard. bellow is my final configuration:

CPU: i7 6700K
MB; Asus Maximus VIII Hero
Ram; G.Skill Trident Z 16gb
GPU; MSI GTX 980 Ti Gaming 6G
PSU; EVGA Supernova 1000w P2
SSD; 3x Samsung 850 Evo 1TB

Cooling; Full Custom EK loop

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