Datasheet

IBM System x3620 M3 16
The ServeRAID M5025 SAS/SATA Controller has the following specifications:
Two Mini-SAS external connectors
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Supports RAID levels 0, 1, 5, 10, and 50
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Supports RAID 6 and 60 with the optional M5000 Advanced Feature Key
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Performance optimization for SSD drives with optional M5000 Series Performance Accelerator Key
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6 Gbps throughput per port
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PCI Express 2.0 x8 host interface
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Based on the LSI SAS2108 6 Gbps ROC controller
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512 MB of onboard cache
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Intelligent Li-Ion-based battery backup unit with up to 48 hours of data retention
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Supports connectivity to the EXP3000, EXP2512, and EXP2524 storage expansion enclosures
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For more information, see the ServeRAID M5025 SAS/SATA Controller for IBM System x at-a-glance
guide: http://www.redbooks.ibm.com/abstracts/tips0739.html?Open
The external SAS cables listed in the following table are supported with external expansion enclosures
and M5025 RAID controllers.
Table 13. External SAS cables for external storage expansion enclosures
Part number Description Maximum quantity
supported per enclosure *
39R6531 IBM 3 m SAS Cable 1
39R6529 IBM 1 m SAS Cable 1
* Note: The EXP3000 series can be chained with each other. In such a case, one cable is used to connect first
EXP3000 to the RAID controller, and every consecutive EXP unit is connected to previous one by one cable.
External tape backup
The server supports the external tape attachment options listed in the following table.
Table 14. External tape options (part 1)
Part number Description
External tape expansion enclosures for internal tape drives
87651UX 1U Tape Drive Enclosure
8767HHX Half High Tape Drive Enclosure
87651NX 1U Tape Drive Enclosure (with Nema 5-15P LineCord)
8767HNX Half High Tape Drive Enclosure (with Nema 5-15P LineCord)
3628L3X IBM Half High LTO Gen 3 External SAS Tape Drive
3628L4X IBM Half High LTO Gen 4 External SAS Tape Drive
3628L5X IBM Half High LTO Gen 5 External SAS Tape Drive
3628N3X IBM External Half High LTO Gen 3 SAS Tape Drive
3628N4X IBM External Half High LTO Gen 4 SAS Tape Drive
3628N5X IBM External Half High LTO Gen 5 SAS Tape Drive (no US linecord)