Travelstar 2.5-Inch 1TB 5400RPM SATA 6Gbps 32MB Cache Internal Hard Drive 0J36211 1.0TB of capacity with 7.0mm max z-height Advanced Format, 512 byte emulation 6Gb/s SATA interface Dual Stage Actuator (DSA) Low power consumption Halogen-free for eco-friendly design Self-encrypting models for data security