Here at The Rocket Platform, we always have you covered for your 3584 (TS3500) tape library needs. We offer the largest selection of parts for the 3584 (TS3500) that are guaranteed in stock and ready to ship same day. This includes tape drives and robotics assemblies. They have all been tested in a simulated production environment above industry standards and are backed by our standard 1 year full warranty. And if you don't see your specific 3584 (TS3500) library part listed, not to worry. You can simply reach out to us at support@therocketplatform.com and let us know what part you are looking for and we will be happy to help. Remember, here at The Rocket Platform, superior parts and superior service is our mission!