With movable bracket, More flexible in using PC case interior space. NOTE: only support FULL-BREAK PCIE Expansion Slot Chassis. High stability and full PCIe Gen4 x16 speed, plug and play. Backward-compatible with PCIE 3.0/PCIE 2.0/PCIE 1.0. Ultimate High SpeedThe extender is capable of expanding bandwidth up to 16Gbps and beyond, featuring extremely fast graphic data transmission. Flexible Cable SleevesDurable cable sleeves allow for max flexibility, it wont affect the cable transmission and makes cable management easy.