This product is either discontinued or we cannot get that from suppliers.
Qnap Dual-Port QXG-25G2SF-CX4, Network adapter, FF Plug-in card, PCI Express 3.0 x8, 25 Gigabit Ethernet, 25 GBps, Full-height bracket, Blue.
QNAP offers various cost-effective network expansion cards for businesses and home users to easily upgrade the bandwidth of their QNAP NAS, servers and computers to accommodate high-speed data transfer.