How much does this cost to the nearest dollar?

OKN PCIe Network Adapter RJ45 LAN Controller up to 2500 Mbps PCI Express Gigabit Ethernet Card with Standard and Low-Profile Brackets Support Windows and Windows Server
Chip Are you still worried about the compatibility of the network card and the motherboard? Realtek is the world's largest motherboard network card solution provider, with the most extensive compatibility capabilities. is the latest 2.5G network card chip. Turn PCIE into 2.5G Ethernet card Generally, there will be multiple PCIE slots on the motherboard, make full use of them. Insert it into any PCIE slot (any PCIE x1, x4, x8 or x16), you can get a 2.5G RJ45 Lan card. Plug And Play Plug and Play on Provide the latest

Price is $19.00

Price: $18.95