QNAP QXG-100G2SF-E810. Extremely fast connection to a 100 Gb/s network. The QXG-100G2SF-E810 100 GbE Dual Port Network Expansion Card with Intel? Ethernet E810 Controller supports PCIe 4.0 and provides bandwidth up to 100 Gbps. With support for iWARP/RDMA and SR-IOV (coming soon), the QXG-100G2SF-E810 significantly increases network efficiency, making it ideal for I/O-intensive and latency-sensitive virtualization and data centers. The QXG-100G2SF-E810 is perfect for all-flash storage to take advantage of the highest performance potential for increasingly demanding IT challenges. Technical parameters Connector: QSFP28 interface PCIe: PCIe 4.0 x16 (backward compatible with PCIe 3.0 x16) Transfer speeds: 100 Gb/s Maximum total bandwidth: 100 Gbps Supported operating systems: QTS 4.5.2/QuTS hero h4.5.2 (or later; we recommend upgrading to the latest version); Linux Supported QNAP NAS: Models with PCIe slots (1 free slot required) Console: Low-profile console pre-installed; full height bracket included Port and cable: QSFP28 DAC cable or QSFP28 OPTIC transmitter/receiver Package contents: 1 x network card; 1 x QIG; 2 x holders