The Western Digital Ultrastar DC HC330 10TB SATA SE 0B42266 WUS721010ALE6L4 is an internal data center hard drive with a storage capacity of 10 TB. It is compatible with both PCs and data centers and has a form factor of 3.5 inches. This hard drive has a rotation speed of 7200 RPM, a cache of 256 MB, and uses the SATA II interface. The Ultrastar DC HC 330 model is part of the Ultrastar product line from Western Digital. With its reliable performance and large storage capacity, this hard drive is ideal for data center applications that require high capacity and fast data access. Factory sealed. Still in anti-static bag.