SFP Port – What is it and what is it used for?

What is SFP port?

SFP means small form-factor pluggable it is used in network and storage devices and is a hot swappable interface that connects fibre or RJ45 cables between switches and the network.

In the picture above you can see two SFP ports one sfp in switch.

SFP+ Modules

In 2006, SFP+ specification brought speeds up to 10 Gbit/s and the SFP28 iteration is designed for speeds of 25 Gbit/s. The SFP replaced the larger GBIC in most applications, and has been referred to as a Mini-GBIC by some vendors.
Wikipedia

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Roger Perkin - CCIE #50038 is a Network Automation Engineer & CCIE Consultant based in the UK, currently working for Softcat Plc as a Senior Network & Security Consultant.
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