Based on this product's specifications, here are some alternatives and similar models
SFP transceiver module Extreme Networks 1000BASE-SX
Summary description:
The Extreme Networks 1000BASE-SX SFP transceiver module offers a maximum data transfer rate of 1250 Mbit/s over fiber optics at a wavelength of 850 nm. It is designed for reliable and high-speed data transmission, ensuring efficient network performance. This module is compliant with WEEE and other certifications, making it a sustainable choice for your networking needs.