QSFP Cables Explained: Types, DAC vs AOC, and Data Center Use Cases
IntroductionAnswer first: QSFP names a pluggable form-factor family, not one speed or medium. Select QSFP+, QSFP28, QSFP56, QSFP-DD, DAC, AOC, or a transceiver only from exact host cage support, electrical lanes, line-side standard, speed, breakout, FEC, media, reach, power, thermal class, firmware, and compatibilit...