QNAP offers various cost-effective network expansion cards for businesses and organizations to upgrade the bandwidth of their QNAP NAS to accommodate intensive data transfer and virtualization applications. The 10 Gb E network expansion card uses a Mellanox(R) Connect X(R) Smart NIC controller to accelerate backup/restore tasks for an ever-growing amount of data and intensive data transfer. iSER is also supported to optimize VMware(R) virtualization performance. Controller: Mellanox Connect X-4 Lx Connector: SFP+ PCIe interface: PCIe Gen3 x8 Transmission rates: 10Gbps Supported operating systems: QTS; Windows (Driver required); Linux (Driver required) Supported QNAP NAS: Models with PCIe slot(s) (1 free slot required) Bracket: Low-profile bracket pre-installed; full-height and specialized (for selected QNAP NAS) brackets are bundled Port and cable: SFP+ DAC cable (1. 5M, 3M, 5M) or SFP+ OPTIC transceiver