Chipset Silicon Image Sil3726 Internal Connectors: 5 x SATA Female External Connector: 1 x eSATA Female Metal back plate attaches to standard external enclosure back panel Supplied with additional Slot Plate for installation into a suitable enclosure Port Multiplier and NCQ (Native Command Queuing) support Pin header for drive activity LEDs RAID 0, RAID 1, RAID 5, RAID 10, Cocantenated and JBOD Groups supported Operates with any suitably fully compliant SATA II Host controller Warranty: 2 years