Specification: 1. PCIe 4.0 riser cable with high-quality hand-soldered gold-plated pins for optimal conductivity and signal integrity. Features imported pure copper tinned-core cables for full-speed, stable, low-attenuation signal transmission. 2. Imported silver-plated cable supporting up to 64 Gbps, compliant with PCIe 4.0 standards and backward compatible with PCIe 3.0/2.0/1.0. Enhanced 12V power delivery via a 12-pin silver-plated cable, designed to support high-power GPUs. 3. Segmented design improves airflow, helping reduce GPU operating temperature and enhance system performance. 4. Plug-and-play operation—no BIOS configuration required. Includes a durable cable protector to improve longevity and prevent damage from bending or twisting. 5. Compatible with most GPUs and motherboards, and fits most PC cases. Supports PCIe 4.0/3.0/2.0/1.0. Compatible with NVIDIA RTX 4090, RTX 3090 Ti, RTX 3090, RTX 3080 Ti, RTX 3080, RTX 3070 Ti, RTX 3070, RTX 3060 Ti, RTX 3060, AMD RX 6950 XT, RX 6900 XT, RX 6800 XT, RX 6800, RX 6700 XT, RX 6600 XT, RX 6500 XT. Works with chipsets including X570, B550, Z590, and Z690. Color: Black Material: ABS Length: 20 cm Angle: 90 Degree Package Contents: 1 × PCIe 4.0 extension cable