Hello @davemarkeddy!
A PC without a fan cooling!!! this sounds Efficient power consumption.
Pros:-

• it runs on Intel Gemini Lake platform technology, which minimize the temperature productions and reduce the total power consumption.
• can Continually work for 24 hrs for weeks.
• provide high speed network connectivity powered by Intel i211 Gigabit LAN and support fast speed WiFi.
• support 4k ultra high definition display quality.
  Cons:-
• It is not as fast as a Core Processor.