The IBM 2104 Expandable Storage Plus (Exp Plus) disk enclosure provides low-cost disk storage for RS/6000 or pSeries servers, depending upon the model. The IBM 2104 Model DS4 is a 19-inch rack-mountable enclosure for use in single and multiple server configurations with 14 drive bays, 2.05 TB maximum capacity, and up to 2 Ultra320 SCSI interface/ports.
The EXP Plus 320 disk enclosures provides support for the SCSI Ultra320 technology disk drives for pSeries Servers. EXP Plus 320 offers increased performance with affordable prices for direct attach SCSI storage needs in both RAID or non-RAID protected configurations using the pSeries host adapters.