| 1 | 2 |  |
| Virtual Tape Controller CS50 |
| Disk Library Editions CS500 DL, CS1500 DL |
Frontend ports
16 to 32
32 to 256
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Frontend ports |
2 to 4 | | 4 to 8 | ||||
| Virtual tape drives | 16 to 32 |
| 32 to 256 |
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| Backend ports | 2 | | optional | ||||
| Physical tape drives | 1 to 2 | | optional | ||||
| Tape volume cache capacity (uncompressed) | 2.4 TB | | 8 TB to 1312 TB | ||||
| Sustained performance | Up to 200 MB/s | | Up to 1.100 MB/s | ||||
| Virtual tape volumes | 20,000 | | 300,000 | ||||
| Physical tape volumes | 500 | | optional | ||||