Number of tape drive cartridges: L25—up to 660 (up to 550 in frame 1); D25—up to 740 (up to 590 in frame 1); S25—up to 1,000 (up to 798 in frame 1)/Total supported per library: up to 17,550; L55—up to 882 (up to 730 in frame 1); D55—up to 970 (up to 774 in frame 1); S55—up to 1,320 (up to 1,054 in frame 1)/Total supported per library: up to 23,170. *Capacity depends on drives installed, number and type of cartridges used, and compression ratio achieved. Listed capacity is physical. Usable capacity may be less.
Tape drive type: TS1155, TS1150 and TS1140 (3592), LTO Ultrium 7, 6 and 5 tape drives
Number of frames per library: One base frame, up to 17 expansion frames with maximum of 7 Dx5 frames
Number of drives: Up to 16 per frame (up to 12 in frame 1); Up to 128 per library
Capacity*: 3592 advanced cartridges; up to 263.25 PB per library (789.75 PB with 3:1 compression)
Capacity*: LTO Ultrium 7 cartridges; up to 139 PB/library (up to 347.5 PB with 2.5:1 compression)
Operating systems support-See the IBM System Storage Interoperation Center: