5 years Manufacturer Limited warranty 2TB, 128MB Cache, SATA 6.0Gb/s Designed for high-density storage solutions requiring environmentally sound low power consumption and low weight for maximum storage efficiency Enjoy peace of mind with this third-generation drive delivering enterprise-class reliability for 24x7 environmental robustness Lower your power costs and store data faster with over 50% improvement in watts/TB, and 18% sequential performance improvement compared to the previous generation