Network Card
From Amazon
D-Link DEM-312GT2 1-port Mini-GBIC SFP to 1000BaseSX, 2km for all - Mini GBIC to 1000BaseSX Multi-mode Fiber Transceiver
ShopBetter24
MultiMode SFP Fibre Module D-Link DEM-312GT2
Shopaide
MultiMode SFP Fibre Module D-Link DEM-312GT2