Diskspeed test
diskspd.exe –c10G -d300 -r -w40 -t8 -o32 -b64K -Sh -L C:\diskpsdtmp.dat > C:\DiskSpeedResults.txt
How to understand measures of disk performance
it's notes
“Tell me and I forget, teach me and I may remember, involve me and I learn.” ― Benjamin Franklin.