🔹 What is SFP? | A Must-Know for Network Professionals SFP (Small Form-factor Pluggable) is a compact, hot-swappable transceiver module used in switches, routers, and servers to connect fiber or copper networks. ✅ Flexible speeds (1G–400G ) ✅ Supports short & long-distance links ✅ Easy upgrades without changing hardware From SFP & SFP to QSFP and QSFP-DD, these modules are the backbone of modern high-speed networking and data centers. 💡 Choosing the right SFP means better performance, scalabil