ATX 3.0 PCIe 5.0 600W Triple 8 Pin to 12VHPWR 16 Pin Power Cable - MODDIY
Amazon.com: Fasgear PCI-e 5.0 GPU Power Cable - 70cm 16pin (12+4) 12VHPWR Male to Male Sleeved Cable with Combs, 600W PCIe 5 Power Cable for Geforce RTX 3090Ti 4070 Ti 4080 4090
CableMod Pro ModMesh 12VHPWR StealthSense PCI-e Cable Extension (16-pin to Triple 8-pin, 45cm) – CableMod Global Store
What you need to know about the new 16-pin PCIe 5.0 connector and PSUs - HardwareZone.com.sg