There is now a case of the native PCIe 5.0 connector from a ATX 3.0 power supply melting on the 4090 as well : r/hardware
Specification & Features - Corsair HX520W Review - Page 3 - Overclockers Club
EPS12V - EATX12V 8 pin · AllPinouts
RGEtransmith-Câble d'alimentation EPS CPU 12V, 8 broches pour touristes 8 (6 + 2) broches, adaptateur PCIE, 20cm - AliExpress
PP12-EPS
Antec EDGE 650W 80 PLUS Gold Power Supply Review
Adaptateur secteur CPU mâle 30" EPS 12V 8 broches vers double PCIe 8 broches (6+2 broches) 681441133566 | eBay
EPS12V CPU 8 Pin Female to CPU ATX 8Pin and ATX 4 Pin Male Power Supply Cable EPS 12V for Motherboard 10.8 Inch: Amazon.de: Computer & Accessories
Amazon.com: OwlTree 2 Pack EPS12V CPU 8 Pin Female to CPU ATX 8 Pin and ATX 4 Pin Male Power Supply Extension Cable EPS 12V for Motherboard 10.6 inch : Electronics
SL-4U-X299WS-WAD
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Amazon.com: COMeap PCIe 8 Pin Male to CPU 8 Pin (4+4 Detachable) Male EPS-12V Motherboard Power Adapter Cable for Seasonic Modular Power Supply 25-inch(63cm) : Electronics
Lot de 3 câbles d'alimentation EPS12V 8 Broches Femelle vers processeur ATX 8 Broches (4+4) EPS 12 V pour Carte mère : Amazon.fr: Informatique
SL-4U-AB660M-WBD
Lot de 3 câbles d'alimentation EPS12V 8 Broches Femelle vers processeur ATX 8 Broches (4+4) EPS 12 V pour Carte mère : Amazon.fr: Informatique