"guys its the intel network driver, anything past 19.1 will cause this issue, i use 18.5 with no issues, install intel driver 18.5 and your dpc latency spikes will go away!"
https://communities.intel.com/thread/54594?start=15&tstart=0
Using torrent clients or intense downloads make the problem appear more
Intel:
Hi apoklyps3,
Thank you for the info. We will post the update when it is available.
rgds,
wb