The fan stop with the start pulse now works very cleanly, which was not the case at the beginning and had to be fixed by a BIOS. I contacted the R&D at the headquarters, discussed the problem and also suggested an alternative curve. This BIOS only came this afternoon, but solves the problem quite elegantly, so that the annoying on-off-on-effect is now a thing of the past due to the lack of real hysteresis. Thank you for that! First, let’s look at the nerve curve, which was really horrible.
Although the sound pressure level rises slightly as a direct consequence, it still remains at an acceptable level even under Furmark in the closed housing at almost 160 watts of waste heat.
The new BIOS visibly eliminates the start-up problems, but has not yet been officially validated by Nvidia. I have already been able to test it and can certify that the start-up problems have been solved.
Let’s look at the measured values again in direct comparison to the Founders Edition as a tabular listing:
| MSI RTX 2060 Gaming Z |
|
|---|---|
| Fan speeds average | 1855 rpm (gaming, after 15 minutes) |
| Fan speeds Peak | 1892 rpm (gaming, after 15 minutes) |
| Noise Emission Average | 38.7 dB(A). Peaks up to 39.4 dB(A) |
| Noise Emission Idle | Fan stop |
| Sound characteristic / hearing impression | noisy, somewhat buzzing engine noises when starting up |
| Coil-feathers/electric noises | Perceptible at high FPS numbers and load changes |
Sound Spectrum
The measured 38.77 dB(A) are based on the measured 1855 rpm in the closed housing. We have created the same gaming load on the open set-up in the measuring room, but the fans are fixed to the previously determined speeds in order to be able to adjust this value exactly. The result is slightly below the level of the Founders Edition, where the cooling is no worse, on the contrary.
The soundscape is present, but still well bearable after the BIOS change. You can also perceive and measure light engine noise for noise (see peak on the spectral analysis above). The noise comes from the turbulences of the rotor blades and remains acceptable in spit, if one keeps the almost 160 watts in the back of the mind, which here must be disposed of professionally and relatively quietly as waste heat via a very cheap cooler.
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