https://www.ebay.com/sch/i.html?_nkw=Addon+Network+Upgrades+D+Link+Dem+435Xt+Dd+Compatible+10Gbase+Lrm+Sfp+&_sacat=0&_dmd=2

Addon - Network Upgrades D-Link Dem-435Xt-Dd Compatible 10Gbase-Lrm Sfp+

$331.00
$234.00

Model Brand: AddOn - Network Upgrades Type Type: SFP+ Details Specifications: 1 x 10GBase-LRM Features Features: 1 x LC 10GBase-LRM Network