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

The HGST Ultrastar HUS724040ALS640 4TB 3.5" SAS HDD is a high-performance internal desktop drive designed for use with PCs. With a rotation speed of 7200 RPM and a cache size of 64 MB, this silver-colored hard drive offers reliable storage capacity for demanding applications. Featuring a SAS interface and being removable, this HDD is ideal for those seeking a dependable storage solution with a large capacity of 4TB. Additionally, it is RoHS compliant and part of the Ultrastar product line, known for its quality and performance in the industry.