Posts & RepliesRe: Why is my download speed slow? I believe we are a vocal minority and probable beneath the notice of the DropBox support crew. The slow speed severely hampers the usefulness of DropBox as a cloud solution for backup. Re: Why is my download speed slow? I too wonder about this. I have a pro account and can consistently download from other services at several megabits per second, but from my Dropbox account, I can only manage about 400K.