DAC vs AOC vs Optical Transceiver
DAC (Direct Attach Copper): Copper cable with integrated connectors. Lowest power (0.1-0.5W), lowest latency, shortest distance (≤7m), lowest cost. Best for within-rack server to ToR connections.
AOC (Active Optical Cable): Fiber cable with integrated optical engines. Low power (1-2.5W), medium distance (3-100m), lighter and thinner than DAC. Best for cross-rack connections.
Optical Transceiver + Fiber: Separate modules and patch cables. Flexible, longest distance (30m-120km+), highest flexibility. Best for long reach and mixed-rate environments.
| Feature | DAC | AOC | Transceiver |
|---|---|---|---|
| Distance | ≤7m | ≤100m | ≤120km |
| Cost | Lowest | Medium | Higher |
Our SFP modules and fiber patch cables support all interconnect types.
Conclusion
Visit Langzhi Technology for DAC, AOC and transceiver solutions.
