2.5g sfp

I'd like to throw away my ISP's media converter, and use my home-lab PC as the internet gateway instead. To do so, I'll need a NIC that works with a 2.5G GPON OLT SFP Module. There is a video on YouTube showing this exact setup, achieved by "Chelsio 110-1146-40 T420-CR T420". I'm sure there are...