IBM x3250 M4

IBM System x3250 M4 17
The ServeRAID M5015 SAS/SATA Controller has the following specifications:
Two Mini-SAS internal 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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Standard Intelligent Li-Ion-based battery backup unit with up to 48 hours of data retention
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For more information, see the list of IBM Redbooks Product Guides in the RAID adapters category:
http://www.redbooks.ibm.com/portals/systemx?Open&page=pg&cat=raid
Internal tape drives
The server does not support internal tape drive options.