Converts PCIe 4X slot to full-size PCIe 16X interface, lets you mount long graphics cards flexibly and solve chassis space limitations; Flexible shielded cable allows free bending and angle adjustment, convenient for vertical GPU mounting and compact small case wiring; Stable signal transmission design minimizes bandwidth loss, supports normal GPU operation for gaming, rendering and multi-card setups; Locking PCIe connectors avoid loose contact during long-term high-load operation; plug-and-play with no extra drivers needed; Compatible with standard ATX, MATX, ITX motherboards, widely used for custom PC builds, workstation and mining rig assembly