Description: 5 x IBM 1TB Serial ATA (SATA) 3.5-inch 7.2K RPM Hot-Swap Hard Drive
IBM Option Part# 44X2458
IBM FRU# 44X2459
IBM Part# 46C4455
Overview: Disk drive enhancements for the IBM System Storage DS4000 series midrange disk systems are designed to increase the storage capacity and flexibility of the DS4000 series. This 7200 rpm SATA DDM option increases the physical storage capacity of the DS4700 and DS4000 EXP810 Storage Expansion Unit to 1 terabyte (TB).