https://www.ebay.com/sch/i.html?_nkw=Addon+Network+Upgrades+Sfp+Module&_sacat=0&_dmd=2

Addon - Network Upgrades Sfp+ Module

Regular price
$263.00
Sale price
$183.00

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