Based on this product's specifications, here are some alternatives and similar models
InLine Internal Power Y-Cable 1x 5.25" Molex / 2x 5.25" Molex 0.20m
Summary description:
The InLine Internal Power Y-Cable allows you to connect one 5.25" Molex power connector to two 5.25" Molex connectors, providing a total length of 0.20m. This cable is ideal for expanding power connections in your PC, ensuring that multiple devices can be powered simultaneously without the need for additional power supplies. Its durable construction ensures reliable performance and longevity.