Lenovo System x3250 M5 Product Manual page 21

The ServeRAID H1110 adapter has the following specifications:
Four internal 6 Gbps SAS/SATA ports
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One x4 mini-SAS internal connector (SFF-8087)
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Up to 6 Gbps throughput per port
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Based on the LSI SAS2004 6 Gbps RAID on Chip (ROC) controller
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PCIe 2.0 x4 host interface
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Supports RAID 0, 1, 1E, and 10
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Connects to up to four SAS or SATA drives (SAS expanders are not supported.)
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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 connections to SAS/SATA drives and SAS Expanders
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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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Up to 6 Gbps throughput per port
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PCIe 2.0 x8 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 - hidden DNL:
Eight internal 6 Gbps SAS/SATA ports

Two x4 mini-SAS internal connectors (SFF-8087)

Supports connections to SAS/SATA drives and SAS Expanders

Supports RAID levels 0, 1, and 10

Supports RAID levels 5 and 50 with optional M5100 Series RAID 5 upgrades
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Supports RAID levels 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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Support for SSD performance optimization with the optional M5100 Series Performance Accelerator
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and SSD Caching Enabler
Up to 6 Gbps throughput per port
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PCIe 3.0 x8 host interface
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Based on the LSI SAS2208 6 Gbps ROC controller
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The N2115 SAS/SATA HBA 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 connections to SAS/SATA HDDs and SATA SSDs
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Optimized for SSD performance
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No RAID support
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Up to 6 Gbps throughput per port
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PCIe 3.0 x8 host interface
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Based on the LSI SAS2308 6 Gbps controller
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For more information, see the list of Lenovo Press product guides in the RAID adapters category:
http://lenovopress.com/systemx/raid
System x3250 M5 21