The MDD 12TB 256MB Cache 7200RPM SATA 6.0Gb/s 3.5in Enterprise, NAS, CCTV Hard Drive is a high-performance internal desktop drive suitable for use with both PC and Mac systems. With a storage capacity of 12TB and a cache size of 256MB, this hard drive provides ample space for storing large amounts of data and files. The 7200 RPM rotation speed ensures fast data access and transfer, while the SATA III interface ensures reliable connectivity. This unit, manufactured by MaxDigitalData in Thailand, is part of the MDD product line and offers efficient storage solutions for various devices.