WD Red 3TB is a 3.5-inch HDD with a SATA-3 interface, designed for NAS systems and always-on environments. Optimized for RAID compatibility, it ensures reliable performance, low power consumption, and enhanced durability for multi-bay setups. With advanced NASware technology, it provides seamless integration, reduced downtime, and improved data protection. Ideal for home and small business NAS storage, it delivers efficient and dependable operation for 24/7 workloads.