Temperatures, Cooling, Noise
The system is fully loaded using Furmark and Prime 95, similar to our laptop testing. The sound recordings are made in front of the machine, about 6 inches from the center of the tower. Temperatures are reported as recorded by CoreTemp and Furmark.
The HP Z1 doesn't fair too well in our temperature testing. As you can see in the chart above, its CPU is among one of the warmest we've seen. The GPU stayed a reasonable 75?C though, which is within the thermal limits for the chip.
Although, there appears to be a good reason for the high temperatures: low noise production. The Z1 is by far the quietest system we've tested; it produces just 35 decibels of noise. That's basically unnoticeable, or a very, very quiet whisper. This is a good thing, as it would likely be used in a room with a high quantity of systems. If they were all loud, that room would quickly become overbearingly loud.
Power consumption is measured while the system is loaded for the temperature test, and while sitting idle at the desktop. Measurement is taken at the wall, so it includes everything running in the system; not including the monitor. Note: Since this is an all-in-one system, the monitor is included in the power consumption.
At idle, the machine draws 161 Watts. This is a bit high because it is powering the monitor as well as the system. During a full load, system energy draw spikes to 278 Watts.
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