Backup Speeds to Various Hard Drives

  AlanHo 17:43 29 Mar 08

I have just been doing some experiments taking Acronis True Image 11 backups to various drives.

I have an external hard drive enclosure fitted with a 500 GB Sata2 hard disc which can be connected by either USB2 or by eSATA. Until now I have always used USB2 but my new VISTA Q6600 cpu computer has an external eSATA port - so today I obtained a eSATA cable and tried it for the first time. Initially, the computer did not find the SATA ext. drive - until I rebooted the computer with the drive attached. It then installed the necessary files and the drive appeared in Explorer.

I backed up my C: (OS and programmes) drive and D:(all data) drive and compared the times.

Backing up to the external drive using the USB2 port took 58 minutes.

Backing up to the external drive using the eSATA port took 21 minutes.

Backing up to a SATA internal hard drive took 20 minutes.

In each case the backup.tib file is 66.7 GB

Hence from now on I shall use the SATA cable for the external drive.

Are these typical data transfer rates?

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