Offers 12TB capacity to store large amount of enterprise data SAS interface delivers high data transfer speed of 12Gbps 7.2K RPM spindle speed ensures excellent performance 3.5' form factor - LFF - check your server configuration for correct form factor and capacity limitations if any This kit includes a hard drive mounted to a tray for easy installation. Hard drive kit comes with a 3-year warranty, technical support and no hassle returns/replacements. 100% satisfaction is our goal!