The ServeRAID M5025 adapter card has the following specifications:

• Eight external 6 Gbps SAS 2.0 ports implemented through two four-lane (x4) connectors
• Two mini-SAS external connectors (SFF-8088)
• 6 Gbps throughput per SAS port
• 800 MHz PowerPC processor with LSI SAS2108 6 Gbps RAID on Chip (ROC) controller
• PCI Express 2.0 x8 host interface
• 512 MB onboard data cache (DDR2 running at 800 MHz)
• Intelligent lithium polymer battery backup unit standard with up to 48 hours of data retention
• Supports RAID levels 0, 1, 5, 10, and 50 (RAID 6 and 60 support with the optional M5000 Advanced Feature Key)
• Connects to:
  • Up to 240 SAS or SATA drives
  • Up to 9 daisy-chained enclosures per port
• SAS and SATA drives are supported, but the mixing of SAS and SATA in the same RAID array is not supported
• Supports up to 64 logical volumes
• Supports LUN sizes up to 64 TB
• Configurable stripe size up to 1024 KB
• Compliant with Disk Data Format (DDF) configuration on disk (COD)
• S.M.A.R.T. support
• Supports the optional M5000 Advanced Feature Key, which enables the following features:
  • RAID levels 6 and 60
  • LSI SafeStore: Support for self-encrypting drive services, such as instant secure erase and local key management (which requires the use of self-encrypting drives)