Add advanced 80211ac wi fi connectivity to a computer or server through a pci express slot with dual band 245 ghz frequencies and up to 433 mbps upgrade your desktop pc or server to powerful 80211ac wireless networking this ac600 network card fits easily into a pci express expansion slot to give you dual band wireless ac connectivity with speeds up to 433 mbps this wireless ac adapter lets you add dual band wireless ac connectivity to a desktop computer through a pcie slot ideal for