A cable management system for a server rack, including an adapter bracket coupled to the server rack; a rail assembly coupled to the adapter bracket, the rail assembly including a plurality of apertures; a cable management apparatus slideably coupled to the rail assembly, the cable management apparatus including: a plunger; a plurality of tabs; and a plurality of retention devices, wherein, when the cable management apparatus is coupled to the rail assembly, the plunger extends through one of the apertures to define a position of the cable management apparatus with respect to the rail assembly such that one or more cables of the server rack are positioned between opposing tabs of the plurality of tabs and coupled to the cable management apparatus by one or more of the retention devices.