Based on this product's specifications, here are some alternatives and similar models
DeLOCK PCI Express x1 Card to 1 x SFP slot 100Base-FX RTL
Summary description:
The DeLOCK PCI Express x1 Card features a single SFP slot for 100Base-FX connections. It supports a maximum data transfer rate of 0.1 Gbit/s and is compatible with Windows 10 and 11. The card is designed for reliable network connectivity and is ideal for expanding network capabilities in various applications.