Why Do DAC Cables Vary So Much in Price? Materials, Overmold, and Testing - The Real Reasons Cheap Cables Fail
Quick take
Two DAC cables can both say “100G QSFP28” and still behave very differently in a real rack. Price gaps usually come from things you don’t see on the outside: jacket material and formulation, shielding construction, connector contact plating, overmold/potti...