Mainframes: Top Gun has z13s and upgrades, all guaranteed eligible for IBM maintenance, please ask to talk to us about your fall projects to ensure you are getting the best deal. EC12/2827, BC12/2828, z196/2817, z114/2818 mainframes, and upgrades are also in stock. Servers: Top Gun has Power Systems (Power7, Power8 & legacy pSeries and iSeries) Blade Center, xSeries hardware as well as Sun and HP servers-complete servers, upgrades, and parts. Storage: Inventory includes IBM tape libraries (TS3500), Enterprise [...]