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This high-power PCIe 5.0 12VHPWR extension cable is engineered for new generation high-end gaming graphics cards. Built with premium 16AWG oxygen-free copper wires, it delivers steady high current and ensures safe 600W power supply. Fully compliant with ATX 3.0 and PCIe 5.0 protocols, it maintains excellent power transmission efficiency even under extreme working conditions. Standard 12+4 pin male to female interface realizes quick extension of original GPU power cable, perfectly solving insufficient wiring length issue. Wear-resistant outer sheath enhances flexibility and durability. Ideal for gaming PC building, graphics card upgrade and chassis internal power cable arrangement.