A field-replaceable printed circuit board (“PCB”) cable assembly comprises at least one field-replaceable PCB, at least one cable, a connector with a plurality of beams, and top and bottom hood portions. A first end of the at least one field-replaceable PCB is attached to the at least one cable, and a second end of the at least one field-replaceable PCB is attached to the plurality of beams. The at least one field-replaceable PCB can be replaced by disassembling the hood portions, detaching the at least one field-replaceable PCB from the plurality of beams, and attaching at least one new field-replaceable PCB.