Frontier offers IBM disk array subsystems at a fraction of the original cost. We provide used and refurbished IBM 9337-220 disk array subsystems. The model 220 offers two 970MB disk drives for a minimum of 1,940MB of basic DASD. Up to six additional disk drives may be added for a maximum capacity of 7,760MB of basic DASD. The IBM 9337-220 attaches to the 9406 models D, E, and F only. Contact us today to purchase an IBM disk array subsystem or simply request a quote. 866-226-6344