Slow backup to WD My Passport 5TB drive

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JeremyB2 Contributing Member • Posts: 574
Slow backup to WD My Passport 5TB drive

I have a WD My Passport 2 TB external hard drive and a recently acquired WD My Passport 5 TB external hard drive.

I’ve just completed backups (Acronis) to each drive containing 735 GB of data. The 2 TB drive (Disk 3 in Disk Management below)) took 2 hours and 32 minutes whereas the 5 TB drive (Disk 2 in Disk Management) took 5 hours and 11 minutes.

This is a W10 PC. The cable between the 2 TB drive and my PC is USB to a USB 3.0 port. The cable between the 5 TB drive was initially USB-C to USB-C. I subsequently tried USB-C to a USB 3.0 port which made no difference.

Any ideas why the backup to the 5TB drive is so much slower?

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