The Seagate ST4000NM001B is a 4TB enterprise-class SAS hard drive from the Exos 7E10 series, featuring a 3.5-inch form factor, 7200 RPM, 256MB cache, and a 12Gb/s SAS interface with 512n sector support. Built for continuous operation in RAID, replicated systems, and hyperscale environments, it delivers robust data integrity, high throughput, and dependable performance under demanding workloads. Adhering to enterprise data security standards, it offers an optimal balance of capacity, reliability, and total cost of ownership. With a 2 million-hour MTBF, it is ideal for critical bulk storage and complex IT deployments.