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

The WD Ultrastar DC HA340 4TB SATA HDD (WUS721204BLE6L4) is a high-reliability 3.5” enterprise-class hard drive designed for data center environments. It features a 7200 RPM spindle speed, 256MB cache, and a SATA 6Gb/s interface, delivering consistent performance for read-intensive and mixed-use workloads. Engineered for 24/7 operation, it offers a 2.5 million-hour MTBF and workload rating of up to 550TB/year, ensuring durability and long-term reliability. Its advanced technologies, including vibration protection and error recovery controls, make it ideal for servers, storage arrays, and cloud infrastructure. The Ultrastar DC HA340 stands out for its balance of capacity, performance, and enterprise-grade dependability.