This is a mechanical HDD drive with a 6 TB storage capacity. This model's rotation speed is 7200 rpm.
From Ecprof
SDPH51J006TMBAAD - HDD Ext 6TB G-Drive Pro Tb3
Western Digital
SanDisk Professional 6TB G-DRIVE PRO SPACE, Grey - SDPH51J-006T-MBAAD
Clove Technology
SanDisk G-DRIVE PRO External hard drive - 6 TB