Features: 1.PCIE to U.2 Adapter Card: PCIE X16 to SFF8643, U.2 4 port expansion card, stable performance and strong compatibility. 2.PCIE Split Function: The motherboard needs to support the PCIE split function, and the expansion interface is SFF8643. 3.LED Work Indicator: With LED work indicator, and easy to operate, easy to use, plug and play. 4.High Speed Lossless Transmission: The expansion card supports PCIE 4.0, supports 2U chassis, high speed lossless transmission. 5.Premium Materials: Made of PCB, this expansion card is sturdy, durable and has excellent performance. specification:Item Type: PCIE to U.2 Adapter Card Material: PCB Model: PH49 Applicable Slot: PCIE X4 X8 X16 Expansion Interface: SFF8643 Support System: for Windows PackageList:1 x PCIEtoU.2AdapterCard 1 x Screw 1 x Baffle Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.