Toshiba 18 TB MG Series enterprise SATA HDD is a 3.5″ 7,200 RPM drive offering robust 24/7 performance with a 550 TB/year workload rating. Featuring a 512 MB cache, helium-sealed 9-disk design, and FC‑MAMR technology, it delivers energy-efficient, high-density storage (268 MB/s sustained). Built-in RV sensors, Stable Platter, and Persistent Write Cache ensure data integrity. Backed by a 1-year warranty (extendable to 5 years on select markets)