https://www.ebay.com/sch/i.html?_nkw=Addon+Hp+0231A363+Compatible+Xenpak+Transceiver+Xenpak+Transceiver+Module+10+Gigabit+Ethernet&_sacat=0&_dmd=2

Addon Hp 0231A363 Compatible Xenpak Transceiver - Xenpak Transceiver Module - 10 Gigabit Ethernet

$368.00
$263.00

XENPAK transceiver module (equivalent to: HP 0231A363) - 10 Gigabit Ethernet - 10GBase-SR - SC multi-mode - up to 984 ft - 850 nm