Google drive is has best server.
google drive is were you can keep your data save.
if you can login with your gmail id in google drive and save your all files, data which is important for us.
you can backup your all important files, data, photo and etc.
if you want to send a large size file to your friend via whatsapp then first upload your file to google drive and copy that link and send or paste that link to whoever you want send that file.
downloading speed from google drive is very file.
you can get download speed 5mbps if your internet connection is 1mb or low this is due to google drive server.
but their is limit you can upload a file upto 10gp if you want to send a file more than that you can buy premium version.
but server is very nice I have use it.
you can keep whatsapp backup on google drive and then don’t worry about data lose or anything happen to mobile.
I always save my important file their and it is secure to so don’t worry about hacking, phishing etc.