- Felisac
- September 1, 2023
- 10:10 am
Harper Ross
Answered on 10:10 am
No, you cannot plug an OSFP module into a QSFP-DD port, or a QSFP-DD module into an OSFP port. The OSFP and QSFP-DD form-factors are not physically compatible with each other. The OSFP is slightly wider and deeper than the QSFP-DD, and has a different electrical interface and connector. The OSFP also has a higher power consumption and heat dissipation than the QSFP-DD. Therefore, you need to use the appropriate form-factor for your port and device.
However, both OSFP and QSFP-DD are backward compatible with QSFP+/QSFP28 modules, which are widely used for 100G applications. You can use an adapter to plug a QSFP+/QSFP28 module into an OSFP or QSFP-DD port, and it will work as expected. This provides flexibility and interoperability for network operators who want to upgrade their infrastructure to 400G.
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