How to find number of pysical hard drives in windows

Windows Command for finding number of Physical Hard drive:
C:\> wmic diskdrive list brief 

Output: (two physical drive)

C:\Users\administrator> wmic diskdrive list brief
Caption                             DeviceID            Model                               Partitions  Size
HP LOGICAL VOLUME SCSI Disk Device  \\.\PHYSICALDRIVE0  HP LOGICAL VOLUME SCSI Disk Device  1           146778685440
HP LOGICAL VOLUME SCSI Disk Device  \\.\PHYSICALDRIVE1  HP LOGICAL VOLUME SCSI Disk Device  1           299966300160