ATX PSU 20-pin to 24-pin Power Extension Adapter Cable For PC Motherboard | eBay
Amazon.com: 9 Inch ATX Power Supply 20 Pin / 24 Pin to Small Mini 24 Pin Connector Adapter Cable Cord for HP Slimline Flex ATX MotherBorad Main Board (Does NOT Work with Dell System) : Electronics
Supermicro X7DWT-SS023 PSU Main Power 24+8-Pin to 20-Pin Adapter Cable (30cm) MDY-X7DWT-24-20
Amazon.com: CERRXIAN 30cm ATX 20 Pin to 24 Pin Power Supply Adapter Computer PC Cable : Electronics
Amazon.com: GinTai ATX 24Pin to 20+4Pin Power Supply Cable PSU 20 Pin Male Convert to 24 Pin : Electronics
Amazon.com: StarTech.com 6in 20 Pin Motherboard to 24 Pin ATX Power Adapter - M/F (ATX2024FM) : Electronics
ATX 24-pin Power Supply Connector with 20-pin Board & Visa Versa