PCI-E X4 U.2 SFF-8639 2.5-Inch Nvme Ssd Adapter Is Directly Connected To The Motherboard, It Supports Ultra-Fast PCI Express 3.0And Can Support U.2 SFF-8639 2.5-Inch Ssd Drive Size. This Adapter Improves System Speed And Productivity For Work And Entertainment.Application: Use 2.5-Inch U.2 Nvme Ssd, Convert U.2 To Pcie (Note: Pcie Channel Only, No SATA Channel/Cable Required); Use 2.5-Inch Sata Hdd/Ssd, SATATo SATA (Note: Only Access The Pc'S Sata Channel Via The Sata Cable, Not The Pcie Channel)Compatibility: Transparent To The , No Driver Required; /Windows 8/Windows 7, Windows Server 2012 , Linux Series, Fedora, Suse, , The Native Drivers All Support Pcie-Nvme; Support Pcie Gen3, Pcie Gen2, Pcie Gen1, And It Is Recommended To Use Pcie Gen3 Slot To Achieve High Performance.Compliant with PCI Express specification revision v3.0Backwards compatible with PCIE V2.0 and V1.0 motherboardsSupports one U.2 SSD driveU.2 SFF8639 SSD gets 3.3v power from motherboard PCIe BUS slotIndustrial operating temperature range: 40~85CBus type: PCI Express X4* 3.0Transmission media: 1 x U.2 SFF8639 NVMe SSD connectorTransfer rate: 32 GT/S (PCIe Gen 3x4)Hard drive compatible: U.2 SSD, SAS SSD, SATA 7+15 SSD, 2.5inch SSD / Hard disk: , Windows 8, Windows 8.1, Windows Server 2012 , Linux, Fedora, SUSE, , native drivers all support PCIe NVMeTips: No driver is required because the driver is transparent to the and needs to support the NVMe protocolNote:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The UseColour:greenMaterial:PCBPackage Contents:1 x PCIe x4 U.2 SFF8639 2.5-Inch SSD Adapter1 x Screw Set1 x Screwdriver1 x SATA III CableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.