Ultrastar SATA Series Most Popular Options in a Full Range of Capacities Features: Our most popular Ultrastar SATA models Full range of capacities (1TB to 14TB) High workload rating, 10X higher than desktop drives, for 24x7 operation Advanced technology design supports enterprise-class reliability and power efficiency 6 Gb/s SATA 5-year limited warranty Specifications: Capacity 8TB / 6TB / 4TB Format: Sector size (bytes) 512e / 512e / 512n Interface SATA 6 Gb/s Native command queuing Yes Form Factor 3.5-inch RoHS compliant Yes Buffer to host (max, MB/s) 600 MB/s Host to/from drive (typical, MB/s) 255 / 255 / 233 Cache (MB) 256 Performance class 7200 RPM