3 TB Canvio Stor.E not recognized correctly in the USB 3.0 port

I have four of the HDWC130EK3J1 external Stor.E Canvio Desktop HDDs.
If more than one USB 3.0 drive is connected the partitions are not recognized.

The GPT partitions are displayed as MBR partition protection.
The MBR partitions are displayed as never applied.

The drive is detected correctly after that he was to reinsert and close ofd.
At the same time, only 1-3 partitions are recognized correctly.
This problem can be reproduced 8.1 running Win and Win 7 64 bit using two different computers, by using the USB Intel and Nec controller.

Currently, BIOS, update driver update. The HDDs are checked to find errors.
Is there an update to flash ready or a replacement for the external hard drive option?
Please note that a replacement with the same model makes no sense.

My German Embassy has been blocked so I translated it. Sorry the only translator Google

There could be a simple answer to this problem:
There are two standards different MBR and GPT partitions.

MBR works with drives up to 2 TB in size, but it can record handle t with more than 2 TB of space. MBR also only supports up to four primary partitions if you want more, you have to do one of your primary partitions an extended partition and create logical partitions inside.

GPT (GUID Partition Table) is a new standard which replaced the MBR. The TPG requires UEFI. This standard isn't limited like MBR and readers can be much larger and size limits depends on the system and its file systems. It allows an almost unlimited amount of partitions.

I guess that the system cannot recognize the partitions (from additional external HDD) due to the limitation of the MBR.

Tags: Toshiba

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