PCIE 5.0 X16 angle converter riser card, backward compatible with pcie 4.0 / 3.0 x16. No angle conversion, just raises motherboard PCIE 5.0 X16 slot height by 200mm. PCIE X16 signal pass-through, no enhancement or conversion, e. g., cannot convert PCIE X16 4.0 signal enhancement to 5.0 signal. To achieve PCIE 5.0 X16 speeds, the CPU, motherboard PCIE X16 slot and GPU/SSD should support PCIE 5.0 X16 functionality. No hot-plugging, always make sure the power is off before physical operation.