The IBM ServeRAID MR10ie (CIOv) controller is a high-performance PCIe RAID controller expansion card for BladeCenter for on-board and external Direct Attached Storage RAID 0, 1, 10, 5, 50, 6, and 60. It offers a high-performance BladeCenter host bus for attachment, with battery-backed memory cache, and utilizes an LSI 1078 RAID-on-Chip (ROC) controller for support of up to 26 hard drives (on-board and external).