https://www.ebay.com/sch/i.html?_nkw=Addon+Extreme+10110+Compatible+Xenpak+Transceiver+Xenpak+Transceiver+Module+10+Gigabit+Ethernet&_sacat=0&_dmd=2

Addon Extreme 10110 Compatible Xenpak Transceiver - Xenpak Transceiver Module - 10 Gigabit Ethernet

Regular price
$254.00
Sale price
$175.00

XENPAK transceiver module - 10 Gigabit Ethernet - 10GBase-SR - 850 nm