This is a mechanical HDD drive with a 900 GB storage capacity. This model's rotation speed is 10 000 rpm.
From Senetic
Hewlett Packard Enterprise MSA 900GB 12G SAS 10K SFF(2.5in) Dual Port Enterprise 3yr 2.5'
Athema Services
hewlett packard enterprise msa 900gb 12g sas 10k 2.5in **shipping new