The IBM 2072-AL39 is a 4TB nearline (NL) hard disk drive that combines substantial storage capacity with a 7,200 rpm speed, accessible through a 12 Gb/s SAS interface. This drive is tailored for enterprises and data centers in need of large-volume, cost-effective storage solutions for secondary data, such as backups, archives, and less frequently accessed information. Its 3.5-inch form factor is compatible with a range of storage systems and servers, making it a versatile option for scaling storage infrastructure. The combination of NL SAS reliability and a lower operational speed results in reduced power consumption and longer service life, key considerations for bulk storage applications. The IBM 2072-AL39 HDD's durability, capacity, and performance characteristics make it an excellent choice for organizations looking to optimize their data storage efficiency while maintaining high reliability and accessibility standards.