A storage assembly for rack-mount electronic devices (50,52,54) comprising: a mounting system for receiving and retaining one or more rack-mount electronic devices, the mounting system comprising: a hinging assembly comprising a chain of two or more hinging components that are interconnected for hinged movement relative to each other such that each pair of adjacent hinging components of the chain are pivotably coupled about a respective common pivot axis for hinged movement about that pivot axis; and characterized by: a set of two or more modular brackets releasably supported by the hinging assembly for hinged movement relative to each other about respective pivot axes of the hinging assembly to enable access to each bracket, each bracket being configured and dimensioned to releasably receive and retain one or more rack-mount electronic devices of a specific size via slidable engagement of the device(s) into the bracket and comprising an attachment part that is configured to releasably couple the bracket to any one or more of the hinging components of the hinging assembly to support the bracket on the hinging assembly in a cantilevered fashion. a mounting system for receiving and retaining one or more rack-mount electronic devices, the mounting system comprising: a hinging assembly comprising a chain of two or more hinging components that are interconnected for hinged movement relative to each other such that each pair of adjacent hinging components of the chain are pivotably coupled about a respective common pivot axis for hinged movement about that pivot axis; and characterized by: a set of two or more modular brackets releasably supported by the hinging assembly for hinged movement relative to each other about respective pivot axes of the hinging assembly to enable access to each bracket, each bracket being configured and dimensioned to releasably receive and retain one or more rack-mount electronic devices of a specific size via slidable engagement of the device(s) into the bracket and comprising an attachment part that is configured to releasably couple the bracket to any one or more of the hinging components of the hinging assembly to support the bracket on the hinging assembly in a cantilevered fashion. a hinging assembly comprising a chain of two or more hinging components that are interconnected for hinged movement relative to each other such that each pair of adjacent hinging components of the chain are pivotably coupled about a respective common pivot axis for hinged movement about that pivot axis; and characterized by: a set of two or more modular brackets releasably supported by the hinging assembly for hinged movement relative to each other about respective pivot axes of the hinging assembly to enable access to each bracket, each bracket being configured and dimensioned to releasably receive and retain one or more rack-mount electronic devices of a specific size via slidable engagement of the device(s) into the bracket and comprising an attachment part that is configured to releasably couple the bracket to any one or more of the hinging components of the hinging assembly to support the bracket on the hinging assembly in a cantilevered fashion. a set of two or more modular brackets releasably supported by the hinging assembly for hinged movement relative to each other about respective pivot axes of the hinging assembly to enable access to each bracket, each bracket being configured and dimensioned to releasably receive and retain one or more rack-mount electronic devices of a specific size via slidable engagement of the device(s) into the bracket and comprising an attachment part that is configured to releasably couple the bracket to any one or more of the hinging components of the hinging assembly to support the bracket on the hinging assembly in a cantilevered fashion.