Lenovo ThinkSystem 930-8e - Storage controller (RAID) - 8 Channel - SATA / SAS 12Gb/s - 12 Gbit/s - RAID 0, 1, 5, 6, 10, 50, JBOD, 60 - PCIe 3.0 x8 - for ThinkSystem SR250; SR645; SR650 V2; SR665; SR670 V2; SR850 V2; ST250; ST50; ST650 V2

The ThinkSystem RAID 930-8e External RAID Adapter is a high-performance 12 Gbps SAS RAID-on-chip (ROC) adapter for connectivity to external disk enclosures. The adapter comes standard with 4 GB of cache, supports RAID levels 0, 1, 10, 5, 50, 6 and 60, and includes an extensive list of RAS and management features. Auto-resume on array rebuild or array reconstruction after the loss of system power Consistency check for background data integrity Patrol read for media scanning and repairing Extensive online configuration options and advanced monitoring and event notification Online Capacity Expansion MegaRAID FastPath SSD performance acceleration MegaRAID flash cache protection Fast initialization for quick array setup Online RAID Level Migration Global and dedicated hot spare with revertible hot spare support