This SSD hard drive has an 800 GB storage capacity and works faster than an HDD drive. The form factor is 2.5".
From SmartTeck
HPE SSD 800GB SFF SAS MU DS SC -
Athema Services
hewlett packard enterprise ssd 800gb sff sas mu ds sc p06577-001 - ee
Compadvance
HP Ssd 800Gb