Mine is 74. I am on BT Fibre.
I believe the ethernet port on the Cube is limited to 100Mbs. If you have decent wifi you'd probably get better throughput, using 5GHz, depending on your router and its location relative to the Cube. I guess Amazon were cost cutting.I wonder if someone could explain to me that the speed on my pc goes up to 220Mbps but on my Sony OLED and on my fire cube with the same speed app only goes up to 94Mbps at best. All cables have been tested and are correct and good. The speed app on the pc is Ookla and the speed app on tv and cube is
analiti - Speed Test WiFi Analyzer
Apps for Android
Still at 74!Mine is 74 about half what it should be. I am on BT Fibre