See practical price ranges for 1G–100G optical transceivers, DAC/AOC options, and why cost varies by speed, reach and technology — buying tips included. Cisco 1G SFP modules are industry-standard devices that efficiently link your routers, LAN controllers, and switches to the network. 5Gbps with PAM4 signaling and connector flexibility (LC, MPO, CS). Versatile and reliable, perfect for data center and telecom use cases. Includes 4x10G breakout compatibility with a. Low end: generic/compatible 1G SFPs ($5–$25). High end: OEM-branded or special-spec parts (industrial/extended temp) ($60–$120+). Compatible 10G SR SFP+ modules often sell for tens of dollars, while genuine OEM modules or long-reach (LR, ER) DFB. SFP transceiver that supports 1G connections up to 550 m using multi-mode fiber with a duplex LC UPC connector. SFP SGMII is designed for 10/100/1000Base-T.
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