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Windows 7: 2 x HDD Show as Incorrect Capacity

23 Jan 2015   #1
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Windows 7
 
 
2 x HDD Show as Incorrect Capacity

Hi - I have two Seagate external drives of 3 and 4 TB capacity each. They are about 12 months old and they operate fine in their own enclosures. I have multiple external drives and decided recently to purchase a 4-bay NON-RAID enclosure. After reading some reviews, I got this Hotway model (called by another name in the US I believe) from PC Case Gear in Australia:

Hotway 4-Bay non-RAID USB3.0/eSATA Enclosure [HF2-SU3S2] - $179.00 : PC Case Gear

It is USB 3 and has a max capacity of 4 x 4TB 3.5 inch drives.

After removing the drives from their enclosures, I slotted them into the Hotway and fired it up. To my astonishment, the 3 TB drive shows only as 349 GB and the 4 TB shows as 465 GB. I rewired them through their original cases and they showed as 3 and 4 TB once more.

I had quite a bit of data on each drive (well over 1.5 TB) and when I plugged the in to the Hotway I received a message that both drives needed formatting. So I copied all the data to another drive before submitting the drives to the format routine but this did not change their size.

Any idea what could be happening here?


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26 Jan 2015   #2
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Windows 7
 
 

Okay so no takers but I am pleased to report a solution that someone may benefit from. This Hotway device is branded Mediasonic in other parts of the world so I contacted their support service. After denying that the product was the same, the did mention this:

For drives removed from Seagate External, you must reformat the drive
looks like you did it. but you need to use GPT partition with 3TB and over for win 7 64bit.

So I did that and all is well.
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 2 x HDD Show as Incorrect Capacity




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