Features: Set the PCIe Bifurcation modes of the corresponding PCIe slot in the BIOS, support X4X4X4X4 or X4X4X8 Supports M.2 nvme SSD in format 2230, 2242, 2260 and 2280 The product do not support hardware raids, the product only supports the formation of virtual under win10 systems, or the use of other party software to build raids. Only supports motherboards with detachable PCIE channel. Control the operation of two SSD base on the motherboards PCIE channel, The motherboards without PCIE signal split can only recognize one disk. Double nvme SSD design, Stable installation, Can run 2 NVME SSD at full speed at the same time. Builts-in multiple set of highly power module for sustainable and stable work the innovative design can accommodate two NVMEs of the chassis, and can support simultaneous operation. Type C interfaces is only for SFF8654 8X power. Specifications: Component:ABS Size:Approx.12.5x6.4cm/4.92x2.52inch Double M.2 NVME M Key to SFF-8654 8i Adapter Type C Power Supply Motherboards Support PCIe Bifurcation M.2 SSD Risers Card Board Package Includes: 1pc Double M.2 NVME To SFF8654 8i Adapter note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.