This convertor only work for GPD WIN Max2 Laptop, Maybe not work for other laptop. The convertor expands the system by one SFF-8612 interface. ^^ It can be connected e. g. one SSD or Graphics Card by using an optional cable+power. The card transmits PCI Express 4x signals using the NVMe protocol. Data transfer rate up to 32 Gbps, Supports NVM Express (NVMe) 1.2 ^^ The converter support all standard PCI-E 16x 8x 4x card, like USB, LAN, 1394, Audio, Graphics Card. ^^ The atx power port support 12V power.
Please connect the extral power for your PCI-E card if the power is insufficient. (The switch is for ATX power) ^^ It transmits PCI Express 4.0 signals using the PCIE protocol; Support PCIE 4.0 data transmission, Data transfer rate up to 64Gbps, Support connecting GPU graphics card, SSD, expansion card, etc., backward compatible with PCIE 3.0.