How Test Individual Drives in RAID 1 Intel RST Rapid Storage Technology RAID

Used...Good program
HDD Guardian, now that development has been ended, we got the latest from Majorgeeks.  You can read the links and history at
https://hddguardian.codeplex.com/
https://code.google.com/archive/p/hddguardian/ etc

Discussion
https://superuser.com/questions/331139/how-to-access-s-m-a-r-t-values-when-using-raid-and-intel-matrix-storage
program from
http://www.majorgeeks.com/files/details/hdd_guardian.html


SmartMontools

+++info from
http://www.dslreports.com/forum/r28743097-RAID-1-Drive-Rebuild-Can-I-get-SMART-statistics


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see this site for a few more tools, for at least non-raid drives
https://superuser.com/questions/29240/how-can-i-read-my-hard-drive-s-smart-status-in-windows-7

notably
  hddtune
  SPEEDFAN
  crystdiskinfo