This SSD hard drive has a 900 GB storage capacity and works faster than an HDD drive. This model's rotation speed is 15 000 rpm.
From Amazon
Hpe 870795-001 - DRV HDD 900GB 12G 15K SFF SAS ENT SC
SmartTeck
HPE 870795-001 internal hard drive 900 GB 15000 RPM 2.5" SAS -