HOMENetwork AdaptersNetwork CardsDual-Port SFP28 25Gbe Network Expansion Card, PCIe Gen3 X8 QNAP 21-17943 Dual-Port SFP28 25Gbe Network Expansion Card, PCIe Gen3 X8 SKU #21-17943 Oh oh! That product is no longer available... Check out these alternatives LevelOne GNC-0103SX Gigabit Ethernet Fiber PCI Card, SC connector, 32/64bit 1... Details LevelOne GNC-0105T Gigabit PCI Network Card Details LevelOne GNC-0112 Gigabit PCIe Network Card Details QNAP QXG-10G2T Dual-port 5-Speed 10GBASE-T PCI Express (PCIe 3.0) NIC fo... Details VIEW ALL Network Cards