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. The high-speed, higher-capacity, 4 Gbps, 450 GB/15,000 rpm Fiber Channel (FC) Enhanced Disk Drive Module (E-DDM) option increases the physical storage capacity of the DS4700 and DS4000 EXP810 Storage Expansion Unit to 1 terabyte (TB).
| Specification | Value |
| Product Description: | IBM Enhanced Disk Drive Module - hard drive - 450 GB - 4Gb Fibre Channel |
| Type: | Hard drive - hot-swap |
| Capacity: | 450 GB |
| Interface Type: | 4Gb Fibre Channel |
| Data Transfer Rate: | 400 MBps |
| Spindle Speed: | 15000 rpm |
| Manufacturer Warranty: | 3 years warranty |
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