Clearance items can be either customer returns in "like-new" condition (Open Box Items), unused inventory stock rotation, or manufacturer refurbished. All items are tested, quality assured, fully functional, and carry a full 90 day manufacturer's warranty.
The Rhino CEROS-1GB-UG is a single, 1GB Memory Upgrade
module for the Rhino Ceros 3U IP PBX Appliance. The Rhino Ceros 3U
supports a total of 4GB onboard memory, which means you can add up to
(3) of the CEROS-1GB-UG upgrade modules, for a total of 4GB onboard