Learn more about STARTECH Express to QSFP+External Ports2 x QSFP+ FemaleInternal Ports1 x PCI Express x8 MaleOperating Systems SupportedWindows 7, 8, 8.1, 10 (64-bit Only)Windows Server 2008 R2, 2012, 2012 R2, 2016 (64-bit Only)Linux 2.6.24 to 4.11.x (64-bit Only)< LTS Versions onlySpecificationsBus Type: PCI ExpressCard Type: Standard Profile (LP bracket incl.)Chipset ID: Intel - XL710-BM2Industry Standards: IEEE 802.3ba 40GBASE-SR4IEEE 802.3ba 40GBASE-LR4PCI Express Rev 3.0, using PCIe x8 (or higher) slotPorts: 2Compatible Networks: 40 GbpsFull Duplex Support: YesJumbo Frame Support: 9K max.PXE: NoSupported Protocols:IEEE 802.3ad (Link Aggregation)IEEE 802.3x (Flow Control Support) IEEE 802.1Q (VLAN tagging)LED Indicators: 2 x Link/Activity (green)FeaturesFeaturesAdd two open 40G QSFP+ slots to your server or workstation for fast, high-bandwidth connectivityProvides redundant network links to mission-critical systemsCompatible with multimode and single-mode fiberIntel XL710-BM2 chipset with Intel Virtualization Technology for Connectivity, intelligent offloads and iSCSI / NFS storage over EthernetCompliant with PCI Express 3.0 specification, using PCIe x8 (or higher) slotSupports IEEE 802.1Q VLAN tagging, IPv4, and IPv6Dual profile with both low-profile and full-profile brackets included, plus link/activity indicatorDimensions & WeightDimensions7.10\" x 4.80\" x 0.80\"Weight0.58 lbs.PackagingPackage Contents1 x network card1 x low-profile bracket1 x quick-start guideShippingEnjoy fast and reliable shipping when you buy your products from Newegg. Our ordering and shipping services are among the best in the industry due to short processing times and a variety of shipping methods. Your orders are packaged at one of the many local warehouses across the country, minimizing delivery times and ensuring you get your purchases as soon as possible.PaymentsNewegg has partnered with PayPal to offer you the very best in payment services. PayPal allows you to buy with confidence, knowing your payments are processed quickly and securely with state-of-the-art encryption technology.ReturnReturns are subject to restocking fees of 15% - 30% of the purchase price and return shipping fees. For products that are eligible for return for replacement, the return shipping labels are free for returns for replacement of the same item within the applicable return policy period. Newegg does NOT charge for restocking fees or return shipping labels for returns of defective products, or if you received the wrong product, the product did not match what was shown on the Site, or we made some other shipping error, provided the item is returned within its return policy period, and in accordance with the Return Policy. For international buyers, items shipped internationally do not qualify for manufacturer warranties.