The product is a lot of 11 Cisco UCS-HD12T10KS2-E 1.2TB 10K SAS 2.5" HDDs made by HGST. These server drives are designed in a 2.5-inch form factor with a rotation speed of 10000 RPM, offering a storage capacity of 1.2TB. The drives support HDD only storage format and have a transfer rate of 125 Mbps. They are equipped with SAS and SAS 2 interfaces, featuring hot swap capabilities for easy installation and maintenance in server environments.