Noisy Asus 970 Strix (coil whine?)
Hello everyone..!
I've purchased a Asus 970 Strix card since the reviews from all around the internet has been pretty positive, and especially since Linus told in his review that it was a silent card. But now that I've got the card in my rig I noticed that every time I'm gaming the card is emitting some sort of annoying buzzing - especially if the FPS is high. The pitch of the buzzing is changing accordingly to the FPS. I have recorded a sample of it, not the best, and put it on youtube if you'd like to hear the sound. Please notice that the "rattle" sound is from the IS on my dSLR camera, but if you have trouble hearing the "buzzing", go to 0:25 where the microphone get close of the card.
https://www.youtube.com/watch?v=8ko7edYNolo
Is this considered normal, or is it a defect. The buzzing is loud enough to be heard with the side of the case on since there's a lot of ventilation holes on the Obsidian 450D, so it's pretty annoying because my aim was to have a silent build. If it's considered as normal, I guess I have to change the 450D out with a CM Silencio case...
Thanks..!
A couple of important aspects to note no inductor is 100% immune to "coil whine" by moving to a fully molded inductor you can considerably reduce it and in some cases eliminate it. With that noted coil whine can vary from card to card as well as from card to PSU. Some PSU have a higher tendency to produce coil whine ( either within the PSU itself ) or on the card.
You can attempt to exchange the card but there is no guarantee you will not possibly have some level of coil whine. Generally though we found with a wide range of PSUs with the current generation inductors used to be inaudible or nearly inaudible in relation to coil whine. I do not have the PSU you show in your video to test but will see if I can have corsair check if time allows and I have a card I can get to them. It would be great if you could send me more details on the PSU specifically part and lot number to PCDIY@Asus.COM
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