Features: 1. SFF-8639 is a 2.5-inch storage solid-state or mechanical hard disk interface with PCI-E/for SATA/for SAS signals. 2. The SFF-8639 has 6 channels. 4 channels are exclusively for PCI-E to connect directly to the CPU; 2 channels are exclusively for SAS and for SATA to connect to HBA / RAID controllers and chipsets. 3. Precise circuit board design, complete EMl suppression, complete signal, good performance and long service life. 4. High quality resin material, hard, durable, corrosion resistant and can be used for a long time. 5. Sophisticated production, excellent quality, stable performance and high work efficiency will bring you more convenience. Specifications: Condition: 100% Brand New Item Type: U.2 Adapter Material: Resin Color: Black Product Interface: PCIE4XU.2 SFF8639 Support System: for WIN7/for WIN8, for WIN10 32/for 64BIT / for MacOS / for linux Installation conditions of NWE S0: 1.PCIE4X8X16X 2. Please install for WlN10 system, WIN7 must install the driver, the speed cannot be improved. 3. The motherboard which does not support NWWE protocol cannot be used as a system disk, only as a storage disk INTEL motherboard chipset: B250B150H170Z170, as long as the motherboard has M.2 interface, it generally supports NVME. AMD motherboard chipset: Support for B350X370X399A320 is not supported before, which means NVME must be supported by RYZEN processor motherboard. Package list: 1 x U.2 adapter 1 x cable 5 x screws Note: This card can support 2.5 inch for SATA hard drives and for SATA cable, it must be connected to the motherboard port for SATA when in use. Note that the motherboard must support PCIE3.0 to achieve high speed.