U.2 to PCI-e adapter card U.2 adapter card SFF-8639 to SSD expansion card U.2 to PCI-e 3.0 It is a solid-state mechanical hard disk interface for 2.5-inch storage, with PCI-E/SATA/SAS signals inside.Precision PCB technology has passed the signal integrity test, fully suppressing EMI, and signal integrityProduct Parameter Name: PCI-E 4X to U.2 SFF-8639 expansion card Parameters: 100g Interface: PCI-E 4X U.2SFF-8639 Support system: WIN7/WIN8 WIN10 32/64BIT/MAC/Linux Note: This card can support 2.5-inch SATA hard disks. Connect the delivered SATA cable to the motherboard's SATA port during use. Only need to support PCE-E 3.0 to run to high speedNVME SSD installation conditions 1.PCI-E 4X 8X 16X 2. Please install WIN10 system, WIN7 needs to install the driver, the speed cannot be improved 3. The motherboard that does not support the NVME protocol cannot be used as a system disk, only as a storage diskINTEL motherboard chipset: B250 B150 H170 Z170, as long as the motherboard with M.2 interface generally supports NVME Partial support for Z97, please check the official website or the option of NVME under BIOSPackaging accessories: SATA 3.0 expansion card*1 SATA 3.0 expansion cable*1 Fixing screw *5