1. Supports full-speed transmission of PCIe 5.0 x4 and is compatible with for Gen3/Gen4/Gen5 2. Voltage stabilizing circuit design ensures stable voltage during the operation of the hard disk and guarantees the release of its performance 3. The base plate is exclusively designed to allow for the installation of additional cooling fans, reducing the risk of performance degradation due to overheating of the hard disk 4. The gold finger is gold-plated with thickness of up to 10U 5. High-frequency, low-resistance, high-temperature and oxygen- PCB board, which does not deform, has a yellowish crystal semi-transparent color, does not turn white or black Product Name: PCIe 5.0 x16 to 4-Port M.2 NVMe Hard Disk Split Adapter Expansion Card. Supports Speed bandwidth: PCIe 5.0 x16 4x128Gbps Operating temperature: -40 to 80 Flame retardant grade: 94V0 Color: Black Material: PCB+Metal Package Contents: 1* PCIe5.0 x16 to 4-Port M.2 NVMe Expansion Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.