I don’t know you but i haven’t a gazillion photos to upload to MyCloud mainly big files like movies.
This is a real life transfer speeds from MyCLoud to PC ( Free File Sync ):
Download speed from MyCloud to PC 53,7 GB in 14 minutes 2 seconds at an average speed of 65,3 MB/Sec.
This is a real life benchmark not a fancy synthetic one…
From PC to MyCloud i have result in 50 - 60 MB/Sec of average.