I have heard some people fixed the issue by putting some glue from a glue gun on the pieces that make noise, as the noise most likely comes from minute vibrations in the power conditioning parts. I forget what the parts are called...I'll post a pic of what the culprit could be. Apparently a little dab of glue stops or suppresses the vibrations. A way to test is to use a pencil eraser, and touch the different parts on the card when it is running, to see if anything can stop the noise. I have tested this on my cards, with no luck though. I will take it out of the case and on a test bed sometime to find what the real problem is.
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The Vortex H20
Coolermaster ATCS 840 w Window panel
EVGA SR-2 Classified
2 x Xeon L5639 Hexcore CPUs, 3.2GHZ
EVGA GTX 580 - 940/2115
24GB Mushkin Blackline 1600MHZ 9-9-9-24 1.5v
Asus Xonar Essence STX
OCZ Z-Series GOLD 850W
2 x 90GB Corsair Force SSD RAID0
Sharp 32" Aquos 1080p
Benq W500 Pojector.
Watercooling:
2 x EK Supreme HF, MCR320+Gelid Silent 12 Push/Pull, DD Pump, EK Multioption 100ml Res, XSPC GTX 580 FC block, EK Coolstream XT 220 RAD Gelid Wings Push - CM R4s Pull.
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