With 1 TB of storage, this is a good hard drive if you need a larger storage unit. It has a 10 000 rpm rotation speed.
From Senetic
Hewlett Packard Enterprise 781518-B21 internal hard drive 2.5' 1200 GB SAS
Clove Technology
HPE 781518-B21 internal hard drive 2.5" 1.2 TB SAS
Athema Services
hewlett packard enterprise hdd 1.2tb 12g sas 10k **shipping new sealed