https://www.ebay.com/sch/i.html?_nkw=Dell+Sfp+80Km+Zx+Lc+463+6779+Compat+Taa+Xcvr+1+Gig+Zx+Smf+Lc&_sacat=0&_dmd=2

Dell Sfp 80Km Zx Lc 463-6779 Compat Taa Xcvr 1-Gig Zx Smf Lc

Regular price
$246.00
Sale price
$170.00

AddOn Dell 463-6779 Compatible TAA Compliant 1000Base-ZX SFP Transceiver (SMF 1550nm 80km LC) - 100% compatible and guaranteed to work COMPAT TAA XCVR 1-GIG ZX SMF LC