The Hitachi Virtual Storage Platform One Block 20 storage systems offer superior performance, resiliency, and agility, featuring response times as low as 41μs, all backed up with the industry’s first and most comprehensive 100% data availability guarantee. The following table lists the key operational and performance specifications for the VSP One Block 20 storage systems.
| Item | Specifications | |||
|---|---|---|---|---|
| VSP One B24 | VSP One B26 | VSP One B28 | ||
| Number of drives | Minimum | 4 | ||
| Maximum | 72 (2.5-inch NVMe SSD) | |||
| Maximum number of LDEVs | 16,384 | 32,768 | 49,152 | |
| Maximum capacity (60-TB SSD) | Internal (physical capacity) | 4.3 PB | ||
| External | 64 PiB | 128 PiB | 255 PiB | |
| Cache memory capacity | 256 GiB | 512 GiB to 768 GiB | 512 GiB to 1,024 GiB | |
| Storage interface | Cache to drive | NVMe/Dual Port | ||
| Data transfer rate | NVMe: 16 Gbps | |||
| Device interface | Channel type |
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| Data transfer rate |
FC: 400/800/1,600/3,200/6,400 MB/s iSCSI: 100/1,000/2,500 MB/s NVMe/TCP: 10,000 MB/s |
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| Maximum number of front-end modules | 4 | 8 | 8 | |
| Power | Single-phase AC input: 50/60 Hz, 200V to 240V | |||