The product is a set of 15 HP 787176-004 1.2TB 10K SAS 2.5" hard drives manufactured by HGST. These internal server drives are designed for use with HP 3Par systems and feature a storage capacity of 1.2TB with a rotation speed of 10000 RPM. The drives are part of the Ultrastar product line and have an interface of SAS, making them suitable for high-performance storage solutions in servers and networking systems. Each drive also has a sector size of 520 bytes per sector and is made in Thailand.