Description:Features: Dual Core RAID-on-Chip (ROC) 800 MHz processor PCIe 2.0 x8 lane host interface 1GB on-board DDR3-1333 SDRAM with ECC Write-through or write-back cache support Support up to 8 internal 6Gb/s SAS ports Multi-adapter support for large storage requirements BIOS boot support for greater fault tolerance BIOS PnP (plug and play) and BBS (BIOS boot specification) support Support EFI BIOS for Mac Pro NVRAM for RAID event & transaction log Redundant flash image for controller availability Battery Backup Module (BBM) ready (Option) RoHS compliant