These days, I do not have to have anything remotely near to 40Gbps of bandwidth, and I haven't got the router necessary to feed data at that speed, but the extra cost is modest. I'm, however, hoping that it's going to get me an additional ten years prior to obsolescence https://dien-phuc-thinh.gitbook.io/dien-phuc-thinh/cap-tin-hieu-rs-485-tai-dien-phuc-thinh