Description: Dual M.2 PCIE Adapter: M.2 NVME SSD(Key M) to PCIe 3.0 x4 interface (32Gbps speed at Max); M.2 SATA-based SSD (Key-B / B + M) to SATA III (SATA cable included)(6Gbps speed at Max). Function: M key M.2 NGFF SSD to PCI-E X4 adapter or B key M.2 NGFF SSD to SATA adapter. The speed and other properties is not changed, only change the interface type and without any software or drivers. Advanced Heat Dissipation Solution: Double-sided copper hole strip porous heat dissipation structure reduce high heat generated. Making full use of the powerful performance of SSD. Support size: 22x30 mm, 22x42 mm, 22x60 mm, 22x80 mm M.2 NGFF SSD. Support system: For Windows XP/Vista/7/8/10, Linux, Mac OS. Compatible with many operating systems ( On the premise of operating system must be compatible with your hard disk ). Specification: Material: Metal Size: 11x8x1cm/4.33x3.15x0.39inches Weight: 70g Type: PCIE to M2 Adapter Internal Interface: M Key + B Key Dual Ports Support devices: PCI-E specification m.2 NVMe and SATA specification M.2 NGFF disk Package Includes: 1Piece PCI-E to M.2 NVME Adapter : Please allow 1-3mm error due to manual measurement.