Based on this product's specifications, here are some alternatives and similar models
Power Cable Adapter 5.25" / 4pin 12V 0.20m InLine 26632
Summary description:
The InLine Mainboard Power Cable Adapter 5.25" / 4pin 12V 0.20m is designed for connecting power supplies to motherboards. With a length of 0.2 meters, it provides flexibility in cable management. This adapter ensures stable power delivery and compatibility with various systems, making it an essential component for PC builders and upgrades.