In a computer system, the transceiver helps with data transmission between devices. When you send data from your computer, the transceiver converts digital signals to analog for transmission.

What is SFP vs fiber?
An SFP (Small Form-factor Pluggable) module is a compact, hot-swappable device that allows for the connection of network equipment to fiber optic or copper cables. SFP modules are used in switches, routers, and other networking devices to enable high-speed communication.

What do optical transceivers do?
An optical transceiver is a small yet powerful device that can both transmit and receive data. In fiber optics, this data is sent in the form of pulses of light over an optical fiber, at very high speeds and across long distances.

Why SFP instead of RJ45?
SFP generally offers lower latency than RJ45, especially fiber-based SFP. There is less latency because fiber light travels quicker than the copper lines that RJ45 uses. As a result, SFP ports are more appropriate for high levels of electromagnetic interference (EMI).