The U738K Dell 1TB 7.2K RPM 6Gb/s 3.5" NL SAS Drive ST31000424SS is a high-performance enterprise-class hard drive designed for use in servers, storage arrays, and other data-intensive applications. Some key features of this hard drive include: Capacity: The 1TB capacity makes it suitable for use in applications where a moderate amount of data needs to be stored and accessed quickly. Interface: The SAS interface provides fast and reliable data transfer rates, making it suitable for use in high-performance computing environments. Spindle speed: The 7.2k spindle speed provides a good balance between performance and power consumption. Form factor: The 3.5" form factor is a standard size for enterprise-class hard drives, making it easy to integrate into existing server and storage architectures. Nearline SAS: The Nearline SAS interface is designed for applications that require the reliability and performance of SAS, but with the lower cost of SATA. Overall, the U738K Dell 1TB 7.2K RPM 6Gb/s 3.5" NL SAS Drive ST31000424SS is a reliable and high-performance storage solution for enterprise-level applications, particularly those that require the speed and reliability of SAS with the lower cost of Nearline SAS. Upgrade or rebuild your enterprise with Dell PowerEdge server with powerful, Dell genuine U738K, ST31000424SS 1TB 7200rpm 3.5 inch SAS hot-swap hard drive equipped with 16Mb cache for faster read/write applications. This hard drive is compatible with most PowerEdge servers and it includes caddie for easy installation. Whether you are replacing a defective drive, or creating a new raid for your server, this hard drive is ready to take the task head on. Brand: Seagate/Dell Model: ST31000424SS, U738K Capacity: 1Tb Interface: SAS 3.5 inch Data Transfer Rate: 6Gb/s Rotational Speed: 7,200rpm Internal Cache: 16Mb Hot-swappable: Yes Caddie: Yes Best for: PowerEdge Servers Shipping: Free Expedited (USA) Warranty: 1 Year