Ymhlith y miloedd o gartrefi a busnesau sydd wedi elwa o'r broses o gyflwyno band eang cyflym iawn, mae Castell Picton yn Sir Benfro, sy'n adeilad rhestredig Gradd 1.
Among the thousands of homes and businesses to have benefitted from the ultrafast rollout is Grade 1 listed Picton Castle in Pembrokeshire.