Supported storage drive interfaces: SAS, Serial ATA, Serial ATA II, Serial ATA III Host interface: PCI Express x2 RAID levels: 0, 1, 5, 6, 10, 50, 60 12 Gbit/s SAS 12Gb/s Storage Solution with 8 Internal PortsASUS PIKE II 3108-8i/16PD/2G (Max. Physical Disk Qty for RAID: 16) is the latest 12Gb/s SAS and PCI-E 3.0 high reliability enterprise storage solution. It meets user needs with support for 6Gb/s SATA and 12Gb/s SAS storage and integrated RAID 0, RAID 1, RAID 10, RAID 5, RAID 50, RAID 6 and RAID 60 data protection. Just placing the PIKE card can immediately enlarge the capacity and improve the performance, making it the great upgrade option.SAS 12Gb/s Storage Solution with 8 Internal PortsASUS PIKE II 3108-8i/16PD/2G (Max. Physical Disk Qty for RAID: 16) is the latest 12Gb/s SAS and PCI-E 3.0 high reliability enterprise storage solution. It meets user needs with support for 6Gb/s SATA and 12Gb/s SAS storage and integrated RAID 0, RAID 1, RAID 10, RAID 5, RAID 50, RAID 6 and RAID 60