***s for Ultra PCIe 4.0 Riser Cables ?ULTRA PCIE4.0 Right Angle-25cm: B08XMZ788Y? ?ULTRA PCIE4.0 Left Angle-15cm: B0964B4G2S? ?ULTRA PCIE4.0 Straight-15cm: B08YZ676LX? ?ULTRA PCIE4.0 Reverse GPU-25cm: B092JTY73B? ?ULTRA PCIE4.0 Dual Reverse-20cm: B092JSJ5NY?. Over 64GB/s (bi-directional) true PCIe 4.0 performance riser via rare shielded extreme high-speed wires and dedicated power lines for lossless signals at range. Re-engineered wires and connectors for PCIe 4.0 85ohm applications for GPUs, M.2 NVMe SSD. Quality hand soldered gold-plated contacts for signal integrity. Some cases may have mis-align screw holes and may cause the GPU to be off alignment when installed, causing damage to the GPU and the system. Please install the riser cable onto the GPU first before securing the GPU with I/O bracket mount. Materials — Steel, aluminum foil, tinned copper wire, ABS plastic, gold platting. Newly revised PCIe 4.0. No BSOD, or WUE / WHEA Error free. ***Compatible with GPU - RTX3090ti, RTX3090, RTX3080ti, RTX3080, RTX3070ti, RTX3070, RTX3060ti, RTX3060, RX6950XT, RX6900XT, RX6800XT, RX6800, RX6700XT, RX6600XT, RX6500XT / Chipset - x570, B550, Z590, Z690, and future new GPUs & Chipsets. Heavy duty bracket to vertically show off GPU and water cooler. Compatible with most 1, 2, and 3 slot graphic cards. Designed for most full/mid ATX tower with at least 7 available PCI slots. ***Some cases may require cutting of metal pieces to fit***.