Pcie 4X Adapter Card, NVME U.2 to PCI-E 3.0 X4 Adapter Card for 2.5 Inch Nvme SSD with SFF-8643 to U.2 Cable for Mining This U.2 (SFF-8643) expansion card can convert the PCIe interface on the motherboard to the U.2 (SFF-8643) Gen 3/4 interface for connecting different U.2 (SFF-8643) interfaces to the device. Connect a high-performance 2.5 inch NVMe U.2 (SFF-8639) SSD to the motherboard's PCIe interface via SFF-8643 to SFF-8639 data cable. Built-in SFF-8643 plug connectorAllows for a 2.5 inch (SFF-8639) NVMe (SFF-8639) SSD to attach to the system, via the SFF-8643 cable. Maximum performance:PCIe 3.0 bandwidth is 32 GbpsPCIe 2.0 bandwidth is 16 GbpsPCIe 1.0 bandwidth at 8 Gbps Industrial operating temperature: -40 °C to +85 °C Riser cards require no driversSpecification:PCI Express Base specification version 3.0SFF-8643 Min SAS HDD version 3.5PCI Express card electro-mechanical x (CEM) specification 2.0NVM Express 1.0Supports PCIe 3.0, 2.0 & 1.0Operating Humidity: 5% - 95% (non-condensing)RoHS CompliantOS Support:Windows 7/8/8.1/10 64 bitUEFI 2.3.1 or aboveColor: Black+RedMaterial: Metal+PlasticPackage Contents:1 x PCIe to U.2 Adapter SFF-8643 Gen 3/41 x SFF-8643 to U.2 Cable1 x Half-Height BulkheadNote: Due to different production batches, the product appearance may be different, which does not affect the functional useOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm.