Based on this product's specifications, here are some alternatives and similar models
PCI Express x4 Card DeLOCK 90482
Summary description:
The DeLOCK PCI Express x4 Card (Model 90482) features an internal OCuLink SFF-8612 interface, supporting PCIe 4.0 with a maximum data transfer rate of 64 Gbit/s. It is compatible with Windows 10 and Windows 8.1 operating systems. This low-profile expansion card is ideal for enhancing your system's connectivity and performance.