Compared to prior generation 7K4000 - 50% more capacity (6TB vs. 4TB) - 30% better power efficiency (Watts/TB) - Up to 3X faster random write performance using media cache technology - 25% faster sequential read/write performance
12Gb/s SAS & 6Gb/s SATA - 12Gb/s SAS compatible with next gen data centers; backwards compatible with 6Gb/s SAS
128MB cache buffer improves response time and data management