QNAP QXG-25G2SF-CX6 Dual-port 25GbE Network Expansion Card, NVIDIA Mellan ox ConnectX-6 LX SmartNIC Controller, PCIe Gen4, Port Trunking, SR-IOV, RoCeQNAP QXG 25G2SF CX6 PCIe supported NAS Dual port SFP28 25GbE network expansion card; low profile form factor; PCIe Gen4 x8 Supports SR IOV and RoCE for Improved Network and VMware Virtualization Environments Dual port 25 GbE network expansion card Cable CAB DAC30M SFP28,CAB DAC15M SFP28,TRX 25GSFP28 SR Controller NVIDIA Mellanox ConnectX 6 Lx Number of Ports 2 x SFP28 Connector SFP28 PCIe and Lanes PCIe Gen4 x8 Transmission Rates 25Gbps 10Gbps IEEE