The CISCO UCS-C3K-HD4TBRR is a 4TB Near-Line SAS (NL-SAS) hard disk drive designed for the Cisco UCS C3000 storage server series. This drive features a 7200 RPM spindle speed and a 12Gb/s SAS interface, offering a balance of high capacity, performance, and reliability for enterprise storage needs. The NL-SAS technology provides a cost-effective alternative to traditional SAS drives, making it ideal for secondary storage, backup, and archiving applications where large capacities are required without the necessity for the highest performance levels. The inclusion of a carrier supports rear loading, facilitating easy installation and maintenance in dense server environments. This HDD is engineered to meet the demands of enterprise-level storage, providing a robust and scalable solution that can be integrated into a wide range of data center architectures. Its compatibility with the UCS C3000 series ensures that it benefits from Cisco's reliability and serviceability features, offering an efficient and dependable storage option for businesses looking to optimize their data management strategies.