Based on this product's specifications, here are some alternatives and similar models
Interface Card Microconnect MC-PCIE-I350-T2
Summary description:
The Microconnect MC-PCIE-I350-T2 is an internal PCIe interface card featuring RJ-45 output. It supports PCIe 2.1 standards and operates with a typical power consumption of 2W. Weighing only 30g, it is a compact solution for network expansion. The card is multicoloured and manufactured in China, making it a versatile addition to your system.