IBM ServeRAID M1115 LSI 9223-8i 8-Port PCIe 6Gbps SAS/SATA Controller

• PCI Low Profile, Half-length - MD2 form factor
• Eight internal 6 Gbps SAS/SATA ports
• Two internal Mini-SAS connectors (SFF-8087)
• 6 Gbps throughput per port
• 533 MHz IBM PowerPC� processor with LSI SAS2008 6 Gbps RAID on Chip (ROC) controller
• PCI Express 2.0 x8 host interface
• Support for RAID levels 0, 1, and 10 standard; support for RAID 5, 50 with optional upgrade
• Zero Controller Cache, no battery/flash backup
• Support for SAS and SATA hard disk drives (HDDs) and solid-state drives (SSDs)
• Support for simple swap and hot swap drives
• Support for intermixing SAS and SATA HDDs and SSDs. Mixing different types of drives in the same array (drive group) not recommended
• Connection to up to 32 internal drives, depending on the server model (Up to 16 physical drives, including hot spares, can be used in RAID configurations. The drives beyond the limit of 16 are used as stand-alone HDDs in a non-RAID environment.)
• Optional support for self-encrypting drives (SEDs) with MegaRAID SafeStore
• Support for up to 16 virtual drives, up to 16 drive groups, up to 16 virtual drives per one drive group, and up to 16 physical drives per one drive group
• Support for virtual drive sizes up to 64 TB
• Configurable stripe size up to 64 KB
• Compliant with Disk Data Format (DDF) configuration on disk (COD)
• S.M.A.R.T. support
• MegaRAID Storage Manager management software

Details at http://www.redbooks.ibm.com/redbooks.nsf/RedbookAbstracts/tips0856.html