WD Ultrastar DC HC550 18TB Hard Drive 3.5″ Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4)

**WD Ultrastar DC HC550 18TB Hard Drive**
A high-capacity, enterprise-grade 3.5?? internal HDD designed for data-intensive environments. Features 18TB storage, 7200 RPM speed, and a 512MB cache for rapid data access and seamless handling of large workloads. Utilizes SATA interface with 512E sector emulation for broad compatibility across legacy and modern systems. Built for data centers, it offers exceptional reliability with advanced error correction, vibration tolerance, and helium-sealed (HelioSeal) technology for reduced power consumption and enhanced durability. Ideal for cloud storage, AI/ML workloads, and high-density server setups, its USP lies in balancing massive storage, enterprise performance, and energy efficiency in a trusted Ultrastar platform.