Based on this product's specifications, here are some alternatives and similar models
Internal Interface Card BROADCOM BCM957504-M1100G16 — PCIe host, QSFP56 output, 100 Gbit/s, passive cooling
Summary description:
Broadcom BCM957504-M1100G16 is an internal interface card providing a PCIe host connection and a QSFP56 output for up to 100 Gbit/s data transfer. The card has a male PCIe host interface, passive cooling, LED indicators for activity and link, and a compact green/silver design. It is suited for high-speed networking, server uplinks and data centre applications requiring reliable 100 Gbit/s links.