Toshiba 2.5 3TB 5400RPM SATA HDD for External Storage - (MQ03ABB300) TOSHIBA MQ03ABB300 5400RPM HDD series provides up to 3TB of capacity in a 2.5-inch 15mm high form factor SATA 3 (Up to 6.0 Gbit/s) with SATA Power Save RoHS Compatible, Halogen-Free and Antimony-Free MTTF of 600,000 hours Advanced Format 512e