The Western Digital Ultrastar DC HC550 18TB Recertified Hard Drive (WUH721818ALE6L1) delivers enterprise-grade reliability and capacity for data centers and high-demand storage environments. With 7,200 RPM speed, SATA 6Gb/s interface, and 512e format, it ensures high performance. SED TCG-Enterprise support enhances data security in a 3.5-inch form factor.

HelioSeal Design - Helium-sealed drive reduces power consumption and weight, helping lower total cost of ownership in data centers.

Energy-Assisted Magnetic Recording (EAMR) - Improves writability and increases areal density for higher capacity and performance.

Enterprise-Grade Reliability - Designed for 24/7 operation with 2.5 million hours MTBF and 512MB cache, ensuring endurance and performance.

Self-Encrypting Drive (SED) - Built-in encryption enhances data security, meeting enterprise-level requirements for secure storage.