24pin 20pin Male To 24pin Male Port Power Supply Cable 24-pin Atx Power Supply To 20+4pin 20-pin Connector Cable - Pc Hardware Cables & Adapters - AliExpress
Amazon.com: AYA 10" ATX 24-Pin (20+4Pin) to 24-Pin PSU Extension/Conversion Cable : Electronics
IBM Lenovo PSU Main Power 24 Pin to 14 Pin Adapter Cable 30cm - modDIY.com
Supermicro X8DTT PSU Main Power 24+8-Pin to 20-Pin Adapter Cable (30cm) MDY-CO831