Promise Controller Card STEX8760T SuperTrak EX8760T 6Gb SAS/SATA RAID Retail. * Read Check table to avoid data read errors. * Multiple logical drive support enables combining different RAID levels on one set of disk. * PerfectRAID technology for error handling and recovery of fatal, media and disk errors. * Support hot swap of failed drives and hot spares/Automatic/Manual rebuild of hot spare drive.