Based on this product's specifications, here are some alternatives and similar models
PCIe 3.0 x4 to M.2 NVMe SSD adapter StarTech PEX4M2E1, full-height/low-profile, red, PCIe host, M.2 output
Summary description:
Card-style adapter that converts a PCI Express 3.0 x4 host slot to an M.2 PCIe NVMe SSD interface. Supports full-height and low-profile installation, with a red PCB and a maximum data transfer rate of 8 Gbit/s. Internal expansion card for desktops and workstations to add M.2 NVMe storage. Compatible with Windows 10 and several macOS versions; compact dimensions for easy mounting.