Based on this product's specifications, here are some alternatives and similar models
C2G 2m 18 AWG Computer Power Extension Cord IEC320C13 to IEC320C14
Summary description:
The C2G 2m 18 AWG Computer Power Extension Cord features a C14 coupler and a C13 coupler. It supports an input voltage of 250 V and an input current of 10 A. This extension cord is ideal for extending the reach of your computer power supply, providing flexibility in setup and organization of your workspace.