IBM System x3850 X5 20The ServeRAID M5015 SAS/SATA Controller has the following specifications:Two Mini-SAS internal connectorsSupports RAID levels 0, 1, 5, 10, and 50Supports RAID 6 and 60 with the optional M5000 Advanced Feature KeyPerformance optimization for SSD drives with optional M5000 Series Performance Accelerator Key6 Gbps throughput per portPCI Express 2.0 x8 host interfaceBased on the LSI SAS2108 6 Gbps ROC controller512 MB of onboard cacheStandard Intelligent Li-Ion-based battery backup unit with up to 48 hours of data retentionThe ServeRAID M5016 adapter card has the following specifications:Two Mini-SAS internal connectors (SFF-8087)6 Gbps throughput per port800 MHz dual-core PowerPC® processor with LSI SAS2208 6 Gbps RAID on Chip (ROC) controllerPCI Express x8 Gen 2 host interface1 GB of onboard data cache (DDR3 running at 1333 MHz)CacheVault flash power module to protect data in cache in case of critical power or server failureSupports RAID levels 0, 1, 5, 6, 10, 50, and 60Supports up to 64 logical volumesSupports LUN sizes up to 64 TBConfigurable stripe size up to 1 MBThe ServeRAID M5016 Battery Tray, 90Y4304, is used to house the M5016 power module remotely fromthe controller. The tray replaces the existing tray supplied with the server and supports up to two powermodules. Only one ServeRAID M5016 Battery Tray can be installed in the x3850 X5.The ServeRAID B5015 SSD Controller has the following specifications:Two Mini-SAS internal connectorsSupports RAID levels 1 and 56 Gbps throughput per SAS portPCI Express 2.0 x8 host interfaceBased on PMC-Sierra PM8013 maxSAS 6 Gb/s SAS RoC controllerPerformance optimized for SSDsStripe size of up to 1 MBFor 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=raidInternal tape drivesThe server does not support an internal tape drive option.