ITEM NAME:PCIe X4 to M.2 NVMe SSD NGFF Riser Adapter Card M-Key / B Key Dual Interface Description: Name: Extended Dual Interface Riser Built-in interface: M-key + B-key Support slot: PCI-E 3.0 X4 GEN3 (X4 X8 X16) Supporting equipment: PCI-E specification hard disk and SATA specification M.2 NGFF hard disk Support system: IOS/Win8/Win10/Linux Equipped with 2U server-specific baffle to stably meet the uninterrupted continuous operation of the server Large capacity tantalum capacitor, constant voltage filtering, making the current more stable PCI-E 3.0 X4.1 Piece M.2 SATA NGFF to PCIE X4 Adapter Card. Support +AHCI dual interface, PCIE+SATA dual interface, B+Mkey. Support slot: PCI-E 3.0 X4 GEN3 (X4 X8 X16). Built-in interface: M-key + B-key. Support 2230 2242 2260 2280 22110 size hard drive.