Standard · Photonics, MEMS & Sensors
DR4 (500 metre Reach, 4 lanes)
An Ethernet optics class carrying four parallel single-mode lanes over 500 m, one fibre pair per lane, typically at 100 Gbps each for a 400G port.
- Also known as
- 400GBASE-DR4
- Type
- Standard
- Domain
- Photonics, MEMS & Sensors, Optical modules
Notes
Parallel single mode is preferred inside large data centres because it also breaks out into four independent 100G links.
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