The MDD MaxDigitalData MDD 4TB 7200RPM 64MB is a high-performance internal desktop drive designed for PC compatibility. With a storage capacity of 4TB and a rotation speed of 7200 RPM, this HDD offers fast transfer rates of up to 261MB/s. The drive also features advanced Write Caching, Temperature Sensor, and Powerbalance technologies to ensure optimal performance and data integrity. With a manufacturer warranty of 3 years and a cache size of 64MB, this renewed product from MaxDigitalData is a reliable storage solution for your desktop computer.