Posted by Pivotal Optics on Feb 17th 2026
400G and 800G deployments are here, but they bring a new dilemma for network architects: QSFP-DD or OSFP?
Because this is the most common inquiry we receive, we are answering it publicly. Below, we break down the critical differences to help you decide which form factor aligns with your network goals.
"Which form factor offers the best backward compatibility?"
The Short Answer: QSFP-DD.
If your primary goal is to upgrade brownfield environments w… Read more