Smart Array 5300 series Ultra3 SCSI LVD/SE controller board Smart Array 5300 series Ultra3 SCSI LVD/SE controller board - Has two Internal high density 68-pin Ultra3 SCSI connectors, two external very high density 68-pin Ultra3 SCSI connectors The Smart Array 5300 series of high performance Ultra3 array controllers provides improved flexibility and data protection thanks to an innovative modular design and new Advanced Data Guarding - RAID ADG technology. In addition, it again raises the bar to higher performance levels, with several enhancements that include a new memory architecture and new RAID engine.