Based on this product's specifications, here are some alternatives and similar models
Fiber optic transceiver module BlueOptics MC2210411-SR4E-BO 40000 Mbit/s QSFP
Summary description:
The BlueOptics MC2210411-SR4E-BO is a QSFP fiber optic transceiver module with a maximum data transfer rate of 40000 Mbit/s. It operates at 850 nm and is designed for high-speed data communication. The module is made of metal, weighs 40 g, and is suitable for various networking applications.