WD Ultrastar DC HA340 Data Center 3.5″ SATA HDD- 4TB WUS721204BLE6L4

**WD Ultrastar DC HA340 4TB Data Center HDD (WUS721204BLE6L4)** A high-performance 3.5?? SATA drive engineered for demanding data center environments. Features 4TB capacity, 7200 RPM speed, and helium-sealed design (HelioSeal) for reduced friction, enhanced cooling, and energy efficiency. Built for 24/7 operation, it offers enterprise-grade reliability with a 2.5M-hour MTBF, advanced vibration tolerance, and RAID optimization for consistent uptime. Supports high workloads (550TB/year) and integrates rotational vibration sensors for stability in multi-drive systems. Ideal for cloud storage, big data, and content delivery, combining massive storage, robust durability, and low power consumption to reduce TCO. A trusted solution for scalable, mission-critical infrastructure.