The NSM3000 provides a midrange capacity, high performance storage solution in a smaller form factor. Up to 2.6 terabytes of data can be stored and quickly accessed. Up to 6 drives can be installed, and DISC Intelligent Pack Technology allows unlimited off-line storage. * The NSM-U Series models allow users to increase storage capacity using the existing chassis. Modular design architecture allows for scaleable drive and media slot counts, giving users a maximum of 2.54 TB of capacity.Basics Number of media slots** 145 to 285 , Number of drives 1 to 6 , Capacity max 2.54 TB , Media exchange time 3 sec. average , Intelligent Pack Technology 3 removable packs ,CapacityDoublerTM Optional **Depending on # of drives installed. SYSTEM Data interface Single/dual LVD-SCSI , Fibre Channel optional , Robotics control, interface RS232/LVD switchable. DRIVES Recorder Drive Multi-Drive , Data Transfer Rates DVD-R 8X: 11 MB/s , DVD-RAM 3X:4.1MB/s , CD-R 24X:3.6 MB/s , Access time 110 ms. Reader Drive DVD-ROM/R 9.0-22MB/s , Data Transfer Rates CD-ROM/R 8.2 MB/s ,Access time 120 ms.