WD Ultrastar DC HA340 Data Center 3.5” SATA HDD – 4TB WUS721204BLE6L4

**WD Ultrastar DC HA340 4TB HDD (WUS721204BLE6L4):** A high-performance 3.5” SATA drive engineered for data center reliability, offering 4TB capacity with 7200 RPM speed and 256MB cache for fast data access. Built for 24/7 operation, it features a 2.5M-hour MTBF, 0.35% AFR, and 550TB/year workload durability, ensuring minimal downtime. Enhanced with rotational vibration protection and energy-efficient design, it thrives in dense storage environments. Includes FIPS 140-2-validated SED (Self-Encrypting Drive) for robust security. Backed by WD’s 5-year warranty, it’s optimized for enterprise storage, cloud infrastructure, and demanding applications requiring scalable, secure, and resilient storage solutions.