The IBM ServeRAID H1135 controller enables you to use RAID technology to manage hard disk drive configurations and integrate Serial Attached SCSI (SAS) technology into your storage infrastructure. You can install the optional IBM ServeRAID H1135 controller in an IBM Flex System x220 compute node or an IBM BladeCenter® HS23E blade server.\n\nServeRAID H1135 specifications\n\nThe ServeRAID H1135 Controller has the following specifications:\n\nBased on the LSI SAS2004 6 Gbps SAS 4-port controller\nUp to 6 Gbps throughput per port\nCIOv form factor\nPCIe 2.0 x4 host interface\nTwo SAS ports routed internally to the two hot-swap drive bays\nTwo SAS ports routed externally to the chassis I/O bays 3 and 4\nSupport for SAS/SATA HDD and SSD drives\nSupport for RAID 0, 1, 1E, and 10, and non-RAID\nSupport for up to two RAID volumes\nSupport for up to 10 drives in one RAID volume\nSupport up to 14 volume drives, including up to two hot-spare drives