Based on this product's specifications, here are some alternatives and similar models
SFP transceiver module BlueOptics SFP-GD-BX43-BO 1250 Mbit/s
Summary description:
The BlueOptics SFP-GD-BX43-BO is a fiber optic SFP transceiver module with a maximum data transfer rate of 1250 Mbit/s. It features a metal housing, operates at an input voltage of 3.3 V, and weighs only 3 g. Ideal for high-speed data transmission in networking applications.