Converter Card Description Notice: 1. Make sure that the PCIe x16 slot of your motherboard supports pcie split into 4 PCIe x4, namely x4+x4+x4+x4. Generally, if the BIOS has ""PCIEX16 Bifurcation"" in the BIOS """" and similar options. After you enter the option, you will see ""PCIE 4x4"" and other similar settings, which generally support splitting; the server chip is different from this, please consult your motherboard's official customer service for details. Cannot support please do not buy! 2. It only supports M.2 NGFF SSD of 2230 2242 2260 2280 size NVME protocol. Please note it can't support SATA protocol SSD. Feature: 1. PCIE X16 full bandwidth 4.0, GEN4 protocol, compatible with gen3\gen4. 2. Conditions of use: The PCIE slot corresponding to the motherboard supports BIOS settings, and the PCIE working mode is set to X4X4X4X4. 3. Gold finger immersion gold process, increase the gold thickness to 5U. 4. 4 x lotes M. 2 slots, large area hollow for heat dissipation. 5. CLK clock split IC, PCIe 1 to 4 channels. 6. Each disk has an independent LED power-on indicator and work indicator, and a key switch LED setting. 7. Four-layer high-density low-impedance circuit board, standard full-height side baffle, excellent quality. 8. Support PCI Express4.0x4x4x4x4, support 4 M.2 NVMe full-speed slots. Package Includes: 1 x Adapter