Welcome to the store! 1. Connect NGFF (M.2) B&M key motherboard to SATA III device. 2. Compliant with PCI Express M.2 Specification 1.0. 3. Compliant with SATA 3.0 Specification. 4. Supports data transfer up to 6.0Gbps. 5. Comes with a 4-pin power supply for easy use. This item is for extending the motherboard's M.2 NGFF slot out to the SATA 7PIN connector. This adapter card simply connects the signal from the M.2 KEY BM connector to the SATA 7PIN connector, so the adapter card does NOT need to be powered. If you do not recognize the interface, please check if it is SATA signal KEY-B. This card supports motherboards in size 2242 2260 2280. The default is 2280. If you want to use other sizes, just cut it along the V-CUT line in the middle of the PCB. Extend the motherboard's M.2 KEY BM slot out to the SATA 7PIN connector. This adapter card simply connects the signal from the M.2 carrier to the SATA 7PIN connector, so the adapter card does not need to be powered. If you do not recognize the hard disk, please check the interface for SATA signal. This adapter card does NOT have power, so you need to take power from the SATA interface of the power supply. Features: Connect NGFF (M.2) key B&M motherboard to SATA III device. Compliant with PCI Express M.2 Specification 1.0. Compliant with SATA 3.0 Specification. Supports data transfer up to 6.0Gbps. Supports Socket 2 (B Key). One SATA 3.0 and one NGFF M.2 interface. Support 4 screw holes: 2230/2242/2260/2280. Easy to install, no drivers required. Comes with a 4-pin power supply for easy use. Specification: Product Name: M.2 to SATA with Power Supply Product Model: NGFF1ST-N02 Product Packaging: Electrostatic Bag Product Interface: M.2 KEY BM SATA 7PIN Supported System: for WinXP/Vista/Win7/Win8 32-bit/64-bit MAC10.8 or higher Size: Approx. 8 * 2.2 * 0.5cm Package List: 1 * NGFF (M.2) to SATA3.0 Converter Card 1 * Screw 1 * 4-pin Power Supply Note: 1. Please allow a small error due to manual measurement. 2. Different monitor colors may be different. Thank you for your kind understanding.