The Cisco 4-Gbps Fibre Channel SFP is designed to provide cost-effective Fibre Channel connectivity for the 1/2/4-Gbps ports on the Cisco MDS 9000 family platform. The Cisco Small Form-Factor Pluggable (SFP) use on the Cisco MDS 9000 family of products are hot-swappable transceivers that plug into ports on the Cisco MDS 9000 family director switching module and fabric switches. The transceivers give users the flexibility to choose different cabling types and distances on a port-by-port basis.