25G SFP28 Transceiver Module Multi Mode 850nm 100m SFP 25G SR S LC Duplex SFP Module with Cisco/Mikrotik/Ubiquiti Switch Module|Fiber Optic Equipments| - AliExpress
SFP-25G-SR-S - Cisco Compatible 25GBASE-SR SFP+ 850nm 100m DOM Transceiver Module - GBICS.com