TRENDnet SFP to RJ45 1000BASE-T Copper SFP Module, TEG-MGBRJ, 100m (328 Ft.),...
I tried it in my Trendnet 10G Web Smart Switch TEG-30284 and it did indicate a 10Gbit connection. I also needed to use CAT8 cables rather than CAT6 and make system setting changes I wasn't initially aware of before I landed on a solution.