Just add modules and this Cisco Catalyst 6506 Chassis is ready go with Fan Tray, dual 1300 Watt AC Power Supplies, redundant S2U-MSFC2 Supervisor Engines and upgraded memory. The SFM2 module increases the backplane from only 32 GBPS to 256 GBPS and adds additional functionality. The advertised price includes Network Hardware Resale's premium NetSure maintenance program. NetSure includes 24x7 tech support and Next Business Day replacement of failed equipment. Please call or email with any questions and to let us know what your specific needs are so we can provide a fully configured quote.