WD

WD Ultrastar DC HC550 18TB Enterprise HDD, 3.5-Inch Internal Hard Drive, 7200RPM, SATA 6Gb/s, 512MB Cache, Data Center Storage, Model WUH721818ALE6L4

18TB

Product Description The Western Digital Ultrastar DC HC550 18TB Enterprise Hard Drive is engineered for modern data centers and large-scale storage environments that demand high capacity, efficiency, and reliability. Featuring advanced HelioSeal technology and Energy-Assisted Magnetic Recording, this 3.5-inch HDD delivers exceptional performance, improved power efficiency, and dependable operation for enterprise workloads. Key Features Massive 18TB storage capacity in a standard 3.5-inch form factor for enterprise storage systems. 7200 RPM spindle speed with SATA 6Gb/s interface for stable and consistent data transfer. Conventional Magnetic Recording (CMR) technology ensures compatibility with all enterprise applications and storage environments. HelioSeal helium-filled design enhances power efficiency and improves overall drive reliability. Energy-Assisted Magnetic Recording (EAMR) technology increases areal density for higher storage capacity. Advanced Triple Stage Actuator improves positioning accuracy and overall drive performance. Optimized for cloud storage, hyperscale data centers, big data applications, and enterprise servers. Built for continuous operation with enterprise-grade durability and reliability.