https://www.ebay.com/sch/i.html?_nkw=Allied+Telesis+At+2911Sx+Gigabit+Ethernet+Card&_sacat=0&_dmd=2

Allied Telesis At-2911Sx Gigabit Ethernet Card

Regular price
$121.00
Sale price
$76.00

Allied Telesis AT-2911SX Gigabit Ethernet Card - PCI Express x1 - 1 Port(s) - 1 x SC Port(s) - Full-height, Low-profile