https://www.ebay.com/sch/i.html?_nkw=Addoncomputer+Com+10Gbase+Sr+Xfp+Transceiver&_sacat=0&_dmd=2

Addoncomputer.Com 10Gbase-Sr Xfp Transceiver

Regular price
$343.00
Sale price
$244.00

XFP transceiver module - 10 Gigabit Ethernet - 10GBase-SR - up to 984 ft