I've historically enabled them all and then just plucked the values out that I actually needed for the respective gadgets. I've done this for as long as I can remember.
For a test I disabled them all and whittled the list down to 39 values I actually care about. I also slowed down the polling...
The disk writes stop.
This is what my disk activity looks like with gadget reporting enabled.
and off:
When gadget reporting is enabled, the writes are occuring in the files pertaining to the registry:
I happened to have task manager open this evening and noticed that I was seeing a see-saw pattern of writes on my primary disk. Resource monitor indicates it's the registry being written to. I was able to isolate this down to HWiNFO64's Gadget reporting.
I use HWiNFO in conjunction with...