What's the Fastest Cloud Storage Service?

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From Dropbox and Google Drive to SkyDrive, all of the major online storage services have their own unique strengths, but we wanted to answer one question: who has the fastest cloud? After all, if you have to wait around for those photos to upload or to download that important presentation in a pinch, what’s the point? To find out which cloud service offers the best transfer speeds, we put five popular options to the test. 

How We Tested

To conduct our tests, we zipped a 300MB folder filled with photos, music and video files then uploaded it to and downloaded it from Google Drive, SkyDrive,  SugarSync, Dropbox and Kim Dotcom's new Mega service. We performed each set of uploads and downloads three times and took the average, conducting our testing over the course of five business days.

Each test was performed using the latest version of the Chrome browser with our office Ethernet connection, which typically averages 12.9 Mbps down and 17.8 Mbps up on Speedtest.net.

Editors' Note: We did not evaluate Apple's iCloud because the service is not designed to be used as a typical upload/download file storage service like the other services in this story are.

Upload Results

Service Average Upload Time Faster Than Next Competitor By
Mega 2:34 0:34
SkyDrive  3:08 0:31
Google Drive 3:39 1:03
Dropbox 4:42 5:45
Sugarsync 10:27 N/A

Kim Dotcom’s recently-launched Mega service finished our upload test in an average of 2 minutes and 34 seconds, besting its nearest rival, SkyDrive (3:08), by 34 seconds. Google Drive came in third with an average upload time of 3:39, which is just over a full minute faster than Dropbox (4:42 per upload). Sugarsync lagged behind the rest by a wide margin, taking an average of 10 minutes and 27 seconds to upload our test file.     

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Download Results                                    

Service Average Download Time Faster Than Next Competitor By
Google Drive 3:28 0:05
Dropbox  3:33 0:23
Mega 3:56 0:40
SkyDrive 4:36 6:26
Sugarsync 11:02 N/A

Google Drive seized the download crown with an average time of 3 minutes and 28 seconds, edging out Dropbox (3:33) by just 5 ticks. Mega (3:56) trailed Dropbox by 23 seconds, SkyDrive finished fourth with a time of 4:36 and, once again, Sugarsync brought up the rear by taking 11 minutes and 2 seconds to pull our zip file from its servers to our machine. 


Service Total Task Time Faster Than Next Competitor By
Mega 6:30 0:37
Google Drive 7:07 0:37
SkyDrive 7:44 0:31
Dropbox 8:15 13:14
Sugarsync 21:29 N/A

If you add the upload and download times together, Mega takes the overall crown with an average task completion mark of 6 minutes and 30 seconds. However, it's important to remember that this relatively new service has less users than other services. In addition, some potential users may we hesitant to try Mega because of the controversy surrounding Mega CEO Kim Dotcom's previous service, Mega Upload. It was shut down by the FBI in January 2012 for allegedly enabling piracy. 

Among more established cloud storage services, Google Drive wins with a total time of 7:07. The speed difference between the top four services isn't overwhelming, but if time is of the essence, we'd avoid SugarSync. With a total task time of a whopping 21 minutes and 29 seconds, the service is as slow as molasses when it comes to uploading and downloading.

Add a comment
  • Dwaipayan De Says:

    TOTALLY CORRECT.....MEGA is the best got speeds upto 5 Mbps (Download) whereas Dropbox and Google Drive Achieved only about 3 Mbps.

  • Sean Braughton Says:

    Funny, mega was by far the slowest for me. Copy.com has been the fastest but they're dying soon, such a shame.

  • Terrence Says:

    Your test are shit mega is by far the worse i dont know the speed conection you have but seriously your test are wrong because i have the same speed as your theorically but in reality to upload a file of 300 Mb it takes around 2 hours on mega and the rest it takes the same the download speeds are nothing of the other world the difference is that almost all cloud service support download managers and mega no so the download speed are pretty ow and using chrome you have half of your speed eated by google because is making backup of all your operations

  • Charles Says:

    I started using Copy because SugarSync and Google Drive were slow to upload. They also give you 20 gigs of free space with this link (I get 5 gigs for free also): https://copy.com?r=lJ3zo0

  • Leo Schreuders Says:

    I have no idea how you did your test... I tried Mega and it was absolutely the slowest upload speed I ever had. I have a 50 Mbp/s upload speed connection. At the most Cloud providers this was reduced to 3,5 Mbp/s. Mega achieved only 135 kb/s.

  • LaTrasha Simms-Taylor (Brooklyn, NY) Says:

    Practically no one who isn't a business customer is given a 17 mbps upload speed. Most are lucky to see anything more than 300 kbps and about 100 or less is not at all uncommon. If you are uploading a 300 mb file you will wait a long time with any service.

  • Duvi Says:

    Like Lee stated, I would like to know the difference between using the browser and the native clients. I'd take it a step further and say between the browsers, I'd like to know the difference when using chrome, firefox, safari and IE.

  • Rey Says:

    They're all too slow to be useful, but the problem is due to our inadequate information infrastructure in the US.

  • Gary Says:

    It would also be nice to see a test from different places in the country (different ISP) since ISPs can interfere with traffic. This is an over simplification, but network guru's will know what I mean.

  • Luciano Says:

    Yep, you confirmed what I thought. Sugarsync is terribly slow. Such a pity, the features it has are very nice. Another gripe is that on its iOS app it re downloads the whole content of a folder if you refresh it, not just the modified files. Or at least it was like that last time... 6 ,months ago.

  • Lee Says:

    Did you use just the browser only to upload and download in your testing or did you use the desktop clients for the services that have them as well? Would be interesting to see if the desktop clients are faster to use or not.

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