The HP 461135-B21 is a robust 750GB SAS (Serial Attached SCSI) 3Gbps Hard Drive, designed with a Large Form Factor (LFF) and a spindle speed of 7,200 RPM. This hard drive is engineered to meet the storage needs of enterprise environments, providing high capacity and reliability for data archiving, backup, and operations requiring large storage volumes. It features a SAS interface for high reliability and performance, ensuring compatibility with a wide range of HP servers and storage systems, including the EVA4400. The drive's 7,200 RPM spindle speed offers a balanced performance between high-capacity storage and efficient data access. Ideal for businesses seeking to expand their storage capacity without compromising on reliability or performance, the HP 461135-B21 is an essential component for scalable and flexible storage solutions.