With regard to the operating noise create the previous reviews but no clarity. I have supported with my purchasing decision on the statement of the monitor is practically inaudible, only from behind a slight hum. That's not for the device, which I had on the desk unfortunately.
Facts: The monitor is booming (which is considerably more comfortable than ever whistling, which he does not produce) and only relatively discreet. When used with a very quiet PC (fanless power supply, only two slowly rotating fan in the system, insulated chassis, decoupled hard drive) I have the hum at normal working distance almost not heard (70-80 cm with me); only when I turned my head with the ears to monitor and respected aware it.
Then I had him in action with a completely noiseless computer (no fans, no hard drive) and suddenly the hum was omnipresent. Even at 1 m distance for me so clearly audible and annoying that I can not work with your monitor. Anyone who has a very (!) Quiet working environment and is very sensitive to noise, which is perhaps not happy with this otherwise highly recommended monitor.
Less weight and yet: that the monitor is only slightly warm during operation, I can not confirm. On The Contrary. One can use it as a good desk Heating. The fact that the power consumption of the set brightness depends, is not fundamentally surprising when ZR24w bandwidth is however already considerably:
At 25% brightness: 48 watts, at 50%: 59 watts, at 75%: 69 watts at 100%: 78 watts.
