Based on this product's specifications, here are some alternatives and similar models
InLine Fan Adapter Cable Y-Cable 3pin Molex female to six 3pin Molex male 0.15m Multicolour
Summary description:
InLine fan adapter cable featuring a 3-pin Molex female connector on one end and six 3-pin Molex male connectors on the other. Designed for internal PC use to connect and power multiple case fans from a single motherboard or power source header. This 0.15 meter multicolour splitter cable helps manage system cooling setups efficiently.