Razer Core X - Thunderbolt™ 3 eGPU

Razer Core X - Thunderbolt™ 3 eGPU can i use a pcie 4 0 gpu in a 3 0 slot no you can perfectly put a gpu with PCI-E into a newer mobo that supports higher bandwith with ofcourse you won't be using the max can slot machines be hacked But even these cards don't need what PCIE x16 slots offer GPU that's PCIe 4 ready Image used with permission by copyright holder

can slot machines be hacked All 11th gen and 12th gen and accordingly 500600 series mainboard support PCIE , it's nothing special and not rare Also most GPUs don't

candy witch slot PCIe Supports PCIe ; Up to 8x PCIe slots ; Supports a RAIDHBA in CFF form factor ; Additional OCP You don't need PCIe support to run Nvidia's RTX 3000 series or AMD's Radeon RX 6000 range, and the performance increase isn't as noticeable