Based on this product's specifications, here are some alternatives and similar models
DeLOCK PCI Express x4 Card to 1 x EDSFF E1.S Slot Low Profile Form Factor
Summary description:
The DeLOCK PCI Express x4 Card provides a single EDSFF E1.S slot in a low profile form factor. It supports PCIe 4.0 for high-speed data transfer, making it ideal for expanding storage solutions in compact systems.