Network IT has a very sizeable quantity of New, Refurbished or Used Cisco MEM2691-64U128D available for all your needs. In most cases, our New, Refurbished or Used Cisco MEM2691-64U128D can be shipped immediately in the same day. Network IT would like to inform all our customers that all of our New or Refurbished Cisco MEM2691-64U128D network modules will be shipped out to you with a 90 day warranty. As well, we currently have a large quantity of used, unused, and pre-owned Cisco in stock, along with a wide variety of other new or used Cisco parts and components.