IBM DS4000 73GB 15K FC HDD - 4 Pack. Hard drive capacity: 73 GB, Hard drive speed: 15000 RPM, Hard drive interface: Fibre ChannelHigh performance and reliability - these attributes define hard disk drives from IBM - a winning data storage solution. Designed specifically to meet the needs of your advanced, data-intensive applications, IBM hard disk drives provide users with a wide range of capacities and interfaces for nearly every data-intensive application.Warranty: Three year.