The Western Digital Ultrastar DC HC320 8TB 7200RPM SATA HDD (HUS728T8TALE6L4) is a high-capacity internal hard drive designed for use with both Mac and PC computers. With a storage capacity of 8TB and a rotation speed of 7200 RPM, this HDD is ideal for storing large amounts of data and files efficiently. Its SATA interface ensures reliable data transfer, making it a reliable choice for expanding storage capacity in your computer system. The Ultrastar product line by Western Digital is known for its durability and performance, making this hard drive a solid option for demanding storage needs.