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I bought a new 8TB 3.5" HDD and put it in an old USB 2.0 enclosure I had for a 1TB drive.

When I went to setup the device in Windows it was only showing as 1.3TB in the Disk Management tool. I plugged the device is directly via SATA and the full size was shown. I formatted as an exFAT drive at 8TB.

With the device now plugged in via the enclosure, Windows now shows it at the proper storage amount, but Linux does not. See screenshots below:

Windows - Disk Manager

Linux fdisk

Is Windows lying to me and is this USB 2.0 limitation? Or is there a tool to help Linux recognise the full size? I have messed around with gparted, but that hasn't helped.

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  • “When I went to setup the device in Windows it was only showing as 1.3TB in the Disk Management tool - Your enclosure isn’t compatible with your 8 TB drive. This has to do with the controller conversion from SATA to USB it absolutely isn’t a USB 2.0 limitation.
    – Ramhound
    May 26 at 1:19
  • I thought that might be the case, guess it's time to upgrade to USB 3. Thanks for your advice!
    – Mason
    May 26 at 2:17
  • "Windows now shows it at the proper storage amount" – I would be very careful with this. There is a GPT valid for 8TB (BTW the screenshot from Linux does not show the GPT, it shows DOS partition table, protective MBR) and any OS should be able to read the primary GPT, even if it can only read 1.3 TiB. So the "real" size Windows sees may come from GPT, not from the size of the device. I suspect the apparent size of the device affects the length of the strip; note F: is shorter than E:. If I'm right, Windows does not see the drive properly either. IMO the old USB 2.0 enclosure is to blame. May 26 at 9:56

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