Sun StorEdge(TM) L8500 500 cartridge slot expansion. Increases the cartridge count in the library from 9500 to 10000 slots. Must have or order 1st, 2nd, 3rd, 4th, and 5th expansion modules (SG-XL8500-1EXM or SG-XL8500-1EXM-NR, SG-XL8500-2EXM or SG-XL8500
