Based on this product's specifications, here are some alternatives and similar models
SFP transceiver BlueOptics 10056-BO Fiber optic 1000 Mbit/s
Summary description:
The BlueOptics 10056-BO is a fiber optic SFP transceiver module with a maximum data transfer rate of 1000 Mbit/s. It is compatible with Extreme Networks and features a stainless steel design. Ideal for high-speed network connections.