Features: The pcie4.0 fast speed channel is adopted, and the theoretical bandwidth is as high as 64Gbps, which perfectly matching latest generation of graphics cards. Compared with the traditional scheme, the data transmission is more stable, and your graphics card can also play a strong role. The conductivity is far superior to that of ordinary copper wire, effectively reducing attenuation. The outer layer is wrapped with woven net and aluminum foil double-layer shielding, which is resistant to pulling and bending, ensuring integrity and connection stability. Simply connection to the M-Key slot of the motherboard, and you can easily put the powerful desktop graphics card outside. Instantly expand the graphics processing ability and realize the perfect integration of small size, which is upgraded scheme for gamers and content creators. Simple installation, not need for complex driver, plug and play, greatly improving the convenience of use. Specifications: Component:Plastic Type:B/A/C Length:15cm/20cm/25cm/50cm/40cm Package Includes: 1Pc Extension Cable note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.