DEM-423XT-AO Addon 821456206637 Showing the single result Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low AddOn D-Link DEM-423XT Compatible TAA Compliant 10GBase-ER XFP Transceiver (SMF, 1550nm, 40km, LC, DOM) – 100% compatible and guaranteed to work DEM-423XT-AO $978.69 Add to cart