For those interested in RAID devices here are my results from PC #1

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MacNala

Member
Sep 18, 2020
19
1
First without parameters.

Code:
   NOTE: 2 faster SATA drives are attached to slower SATA links. You may add
         the /ident command-line option to display and identify the drives.

Driv Size  Drive Identity     Location:    0      25%     50%     75%     100
---- ----- ---------------------------- ------- ------- ------- ------- -------
 81  2.0TB ST2000DM001-1CH164            189.1   199.7   178.6   144.5    97.5
 81  2.0TB ST2000DM001-1CH164            174.3   186.6   170.8   138.6    90.8
 82  2.0TB WDC WD20EZRX-00D8PB0          151.6   138.8   121.9   102.5    73.7
 83  4.0TB WDC WD40EFRX-68N32N0          177.8   168.5   149.7   124.3    84.9

                  Benchmarked: Friday, 2020-12-25 at 09:31

Then with the /verbose parameter
Code:
  AHCI '.' and IDE '-' drive reset & diagnostic latencies in milliseconds:

  61.826 61.838 61.1,129 61.628

  Associating BIOS drive [80-83]:

  [ 80 81 82! 83! ]
  [ 80 81 82! 83! ]

  BIOS drive count: 4

  BIOS Inter Bus Location Dev Port Intr
  ---- ----- --- -------- --- ---- ----
   80   USB  PCI  0:26:0   2                                                 

  BIOS Location Type Clas Pg Vend Devi Prt Intr Cmmd Ctrl Mast Driv Link Size
  ---- -------- ---- ---- -- ---- ---- --- ---- ---- ---- ---- ---- ---- -----
   81   0:31:2  RAID 0104 00 8086 2826  0    7  < AHCI Cntrl >  6.0  6.0 2.0TB
   81   0:31:2  RAID 0104 00 8086 2826  1    7  < AHCI Cntrl >  6.0  6.0 2.0TB
   82   0:31:2  RAID 0104 00 8086 2826  3    7  < AHCI Cntrl > <6.0> 3.0 2.0TB
   83   0:31:2  RAID 0104 00 8086 2826  5    7  < AHCI Cntrl > <6.0> 3.0 4.0TB

BIOS Size  Drive Identity     Location:    0      25%     50%     75%     100
---- ----- ---------------------------- ------- ------- ------- ------- -------
 81  2.0TB ST2000DM001-1CH164            191.2   199.7   177.8   144.5    97.4
 81  2.0TB ST2000DM001-1CH164            174.3   186.6   171.0   137.6    91.3
 82  2.0TB WDC WD20EZRX-00D8PB0          151.6   138.8   121.9   102.5    73.7
 83  4.0TB WDC WD40EFRX-68N32N0          177.8   168.5   149.7   124.3    85.1

                  Benchmarked: Friday, 2020-12-25 at 09:35

Note all drives are potentially addable to the main or other RAID volumes the drives 81
are in volume 0 as RAID 1 (Mirror).
Device 83 is an externally dismountable drive so a candidate for testing various drives
with Spinrite.
 
Code:
NOTE: 2 faster SATA drives are attached to slower SATA links. You may add
the /ident command-line option to display and identify the drives.

Code:
82 0:31:2 RAID 0104 00 8086 2826 3 7 < AHCI Cntrl > <6.0> 3.0 2.0TB
83 0:31:2 RAID 0104 00 8086 2826 5 7 < AHCI Cntrl > <6.0> 3.0 4.0TB

Those two drives could go faster, in theory, but I presume you don't have enough SATA6 ports...?