IBM Redboks System x3550 M4, User Manual

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IBM System x3550 M4 17
The ServeRAID M1115 SAS/SATA Controller has the following specifications:
Eight internal 6 Gbps SAS/SATA ports
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Two x4 mini-SAS internal connectors (SFF-8087)
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Supports RAID levels 0, 1, and 10
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Supports RAID levels 5 and 50 with optional M1100 Series RAID 5 upgrades
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6 Gbps throughput per port
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PCIe x8 Gen 3 host interface
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Based on the LSI SAS2008 6 Gbps ROC controller
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The ServeRAID M5110 SAS/SATA Controller has the following specifications:
Eight internal 6 Gbps SAS/SATA ports

Two x4 mini-SAS internal connectors (SFF-8087)

Supports RAID levels 0, 1, and 10

Supports RAID levels 5 and 50 with optional M5100 Series RAID 5 upgrades

Supports RAID 6 and 60 with the optional M5100 Series RAID 6 Upgrade
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Supports 512 MB battery-backed cache or 512 MB or 1 GB flash-backed cache
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6 Gbps throughput per port
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PCIe x8 Gen 3 host interface

Based on the LSI SAS2208 6 Gbps ROC controller
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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