Western Digital WD Ultrastar Enterprise HDD 18TB 3.5″ SATA 512MB 7200RPM 512E SE NP3 DC HC550 24×7 Server 2.5mil hrs MTBF 5yrs WUH721818ALE6L4 LD2-0F38459

The WD Ultrastar DC HC550 18TB HDD is a high-capacity hard disk drive designed for data centers and enterprise applications. Key features include 18TB storage capacity, 3.5″ form factor, 512MB cache, and support for 4Kn (4K native) sector format. Benefits include high storage density, improved performance, and reliability. Unique selling points include its massive storage capacity, energy-efficient design, and compatibility with next-generation data center architectures.