The isdct is a proprietary command-line tool to manage Intel SSD Data
Center Family NVMe and SATA drives.  It can be used to update SSD
firmware, calculate drive life expectancy, analyze the SMART
information, securely erase, and much more.

isdct supports Intel SSD DC, 750 Series, and some other SSDs
(but does not support 910 Series).

The sg kernel module is required by isdct.  To have this module loaded
on boot, please uncomment the corresponding line in
/etc/rc.d/rc.modules.local