1. Material: 18AWG pure copper tinned wire 2. Made of heat-resistant and non-aging material for durability 3. Compatible with motherboards using only 8pin or 4pin, no need to upgrade the power supply, you can efficiently connect the power supply to the motherboard 4. This power cord is compatible with a wide range of graphics card systems without upgrading your computer's power supply, designed for gamers and computer enthusiasts who need high performance and reliability 5. Two lengths are available, allowing you to comfortably connect your components while maintaining a clean look 6. Weight: 20 cm about 34 g, 30 cm about 47 g 7. Length: 20 cm, 30 cm