Free Express Shipping! QNAP QXG-25G2SF-E810 2-Port 25G SFP28 PCIe 4.0 Network Adapter Card 2 x 25G SFP28 Slots, Up to 50 Gb/s Total Throughput, PCIe 4.0 x8 Connection, Includes Various Brackets, Windows 11 & Linux Support