D-Link DEM-421XT Compatible 10GBASE-SR XFP Optical Transceiver Module (MMF, 850nm, 300m, LC, DOM)

D-Link DEM-422XT Compatible 10GBASE-LR XFP Optical Transceiver Module (SMF, 1310nm, 10km, LC, DOM)

D-Link DEM-423XT Compatible 10GBASE-ER XFP Optical Transceiver Module (SMF, 1550nm, 40km, LC, DOM)

D-Link DEM-424XT Compatible 10GBASE-ZR XFP Optical Transceiver Module (SMF, 1550nm, 80km, LC, DOM)