Tested and working, wiped of all information. No error messages, no bad sectors.

The ST4000NM0025 Seagate EMC 4TB SAS 3.5 HDD is a high-capacity internal desktop drive designed for servers. With a rotation speed of 7200 RPM and a storage capacity of 4TB, this HDD offers fast performance and ample storage space. The drive is a part of the Exos 7e8 product line and features a cache of 128MB for improved data access. It is compatible with SAS interfaces and supports hot swap functionality for easy maintenance. Made by Seagate, a trusted brand in storage technology, this HDD is a reliable choice for expanding storage capacity in server environments.