PCIe2 SAS RAID card comparison
Use this table to compare the features of the various PCI Express 2.0 (PCIe2) SAS RAID cards for IBM® i.
| CCIN (custom card identification number) | 57B51 | 57BB | 57C3 | 57C42 |
|---|---|---|---|---|
| Description | PCIe2 1.8 GB Cache RAID SAS adapter Tri-port 6 Gb | PCIe2 1.8 GB Cache RAID SAS adapter Tri-port 6 Gb | PCIe2 3.1 GB Cache RAID SAS enclosure 6 Gb x8 | PCIe2 RAID SAS adapter Dual-port 6 Gb |
| Form factor | PCIe2 x8 | PCIe2 x8 | PCIe2 x8 Storage Enclosure | PCIe2 x8 |
| Physical links | 11 (three mini SAS HD 4x connectors with top connector containing only three physical links) | 11 (three mini SAS HD 4x connectors with top connector containing only three physical links) | 11 (internally integrated with two external mini SAS HD 4x connectors, each containing three physical links) | 8 (two mini SAS HD 4x connectors) |
| Supported RAID levels | RAID 5, RAID 6, system mirroring | RAID 5, RAID 6, system mirroring | RAID 5, RAID 6, system mirroring | RAID 5, RAID 6, system mirroring |
| Write cache size | 1.8 GB | 1.8 GB | 3.1 GB | |
| Read cache size | ||||
| Cache battery pack technology | None (uses supercapacitor technology) | None (uses supercapacitor technology) | None (uses supercapacitor technology) | |
| Cache battery concurrent maintenance | ||||
| Cache data present LED | ||||
| Removable cache card | ||||
| Auxiliary write cache (AWC) support | No | No | No | No |
| Dual-storage IOA configuration | Yes | Yes | Yes | Yes |
| Requires dual storage IOA configuration | Yes | Yes | Yes | No |
| SAS tape support | No | No | No | No |
| SATA DVD support | No | No | No | No |
| Native 4K block device support | No | No | No | No |
| 520-byte virtual disk support | Yes | Yes | Yes | Yes |
Notes:
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Figure 1. CCIN 57B5 PCIe2 1.8 GB cache RAID SAS adapter Tri-port
6 Gb

Figure 2. CCIN 57C4 PCIe2 RAID SAS Adapter Dual-port 6 Gb

Figure 3. CCIN 57C3 PCIe2 3.1 GB Cache RAID SAS Enclosure 6 Gb x8

Figure 4. CCIN 57BB PCIe2 1.8 GB cache RAID SAS adapter Tri-port
6 Gb
