Why is my back up slow?

Backblaze can backup as fast as your Internet connection allows. By default, Backblaze backs up at 256 kbps (about 3 GB/day.) However, if you have a faster connection, you can slide the Throttle setting to the right to backup faster. Test your connection using our Speed Test. If you are not able to backup at the speed shown by the Speed Test, the three most common reasons are:

  1. Other computers are on your network and using your bandwidth.
  2. Other bandwidth-heavy applications (such as videoconferencing, sync, remote desktop, online gaming, etc.) are using your bandwidth.
  3. Comcast PowerBoost or other "temporary speed enhancers" fool the Speed Test into thinking you have more bandwidth than you do.
  4. Latency in the connection from your computer to our servers.  This can cause the overall speed to be reduced. Latency can be caused by general internet connection, and geographic/network distance.  For more on how geographic distance can affect your speeds, please follow this link for international users.

You may find optimizing your computer and Backblaze's settings will help to improve backup speeds:

  • Disable computer sleep as Backblaze can't operate when your computer is sleeping (Mac -> Energy Saver system preference. Windows -> Control Panel -> Power Options -> Change when the Computer Sleeps.) If it's a laptop, make sure it's connected to power and the lid is left open when the computer is not in use, so Backblaze can continue in the background.
  • Set Backblaze's throttle as fast as possible (Backblaze system preference / control panel -> Settings -> Performance -> uncheck Automatic Throttle -> Move slider all the way to the right)
  • Set Backblaze's schedule to the default Continuous, rather than On Click or Once Per Day (Backblaze system preference / control panel -> Settings -> Schedule)
  • Hardwire your internet connection rather than wifi (if possible)
  • Keep all external drives connected continuously (if applicable)

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