SFP-DD
SFP-DD (Small Form-Factor Pluggable Double Density) transceiver is an optical transceiver designed to provide high-speed data transmission for network applications. It is an evolution of the standard SFP (Small Form-Factor Pluggable) transceiver, offering increased port density and higher data rates.
![SFP](https://www.skylaneoptics.com/app/uploads/2017/09/SFP-1-lbox-270x180-ffffff.png)