Frontier offers used and refurbished IBM Storage disk systems. From the DS3000 , DS4000, DS5000, DS6000 and DS8000 series all the way to 2104 expandable storage plus, Frontier stocks all of IBM Storage disk systems. We also provide used and refurbished FAStT200 ,FAStT500 storage servers. Contact us today or simply request a quote and we will contact you shortly. 866-226-6344