Toshiba 12TB Enterprise Internal Hard Drive – MG Series 3.5' SATA HDD Mainstream server and storage. Toshiba MG07ACA12TE. Installation type Internal Hard Drive. INTEGRATED RV SENSORS – Designed to eliminate knock-on vibration, this 7200-rpm shock-detecting hard drive features built-in RV sensors to minimize rotational vibration in multi-bay, cloud-scale infrastructures for a smoother experience.