Author Topic: POWER9 water cooling kit  (Read 2203 times)


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Re: POWER9 water cooling kit
« Reply #15 on: October 08, 2020, 03:44:06 pm »

At risk of going off-topic, I'd like to emphasize that water-cooling is only 50% of the problem when house-training the POWER9

The thread about powering-down unused cores is equally important

The CPU cores, especially in a dual-CPU configuration, using over 100W when idle, will waste electricity and generate unwanted heat.

Electric heating is particularly inefficient, 60-70% of electricity is lost in the energy network.  The only exception to this is the use of a local generator (renewable, cogeneration, etc), as it is generated locally, very little is lost in transmission lines.

In my own case, I'm using solar PV and the excess heat is therefore useful and efficient for 7-8 months of the year, it simply offsets the underfloor heating.

But for most people this could be expensive, wasteful and uncomfortable.

Solving both of these issues together (the water cooling and making some cores sleep when idle) will eliminate most concerns from buyers.
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Re: POWER9 water cooling kit
« Reply #16 on: November 19, 2020, 08:26:00 am »
The lack of STR is a big one, IMO.