Internal Hard Drive P300 2TB HDWD320UZSVA Features: 3.5″ SATA Hard Drive 7200 / 5400 rpm 64 / 128 / 256 MB buffer Advanced Format Specifications: Basic Form Factor 3.5-inch Interface SATA 6.0 Gbit/s Advanced Format (AF) Yes RoHS Compatible Yes Halogen Free Yes Shock Sensor Yes Performance Recording Technology CMR (Conventional Magnetic Recording) / SMR (Shingled Magnetic Recording) Rotational Speed 7200 RPM Buffer size 256 MB Average latency 4.17 ms Native Command Queing (NCQ) supported Reliability Unrecoverable error rate 1 per 10E14 bits read Load / Unload Cycle 300.000 Physical Dimensions 147 (L) x 101.6 (W) x 26.1 (H) mm Weight (approx.) 680 g max. Limited warranty 2 years