Port: 4x SATA, Serial ATA 2.6 Specification support Host Interface: PCI Express x4, PCI Express 1.1 compliant/li> Raid Levels: 0, 1, 5, 10, Single Disk, JBOD Onboard Memory: 256MB DDR2-533
8 x SATA 150 internal connectors PCI 2.2 compliant 64-bit/66MHz interface Up to 1.5 Gb/sec per port transfer rate 128 MB of ECC protected SDRAM cache memory supports RAID 0/1/5/10/50 JBOD
4 SATA II ports, discrete connector 64-bit/133MHz PCI-X interface 128 MB cache memory supports RAID 0,/1/10/5/50, Single Disk and JBOD
2 x SFF-8087 mini-SAS, SATA connectors PCI-Express x8 interface Up to 3Gb/s transfer rate 512MB DDR2 533 cache memory supports RAID 0, 1, 5, 6, 10, 50 and Single Disk