External hard disk: aluminum case + Toshiba drive

I already got a WD my passport and I am very happy about it
Now I am planning to buy a second drive to make a "backup of the backup" and so hopefully I should reduce the risk of loosing all the data in the main backup I have on the WD my passport
This time I would like to get case + drive. Also because an integrated solution like WD my passport could make it difficult to remove the case from the drive in some cases of disc recovery, so this should be a relatively safer option. 3.5 inches (instead of smaller) 7200

Toshiba-P300-Hard-Disk 3 Tb

Aluminum case

Post was last edited on April 22, 2019 2:31 AM PDT

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Clarification Request
What's the question?

If I were to guess, you are asking if these two parts are compatible. They appear to be.

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Re: case + drive

And what's your question?

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Sorry for not being clear...
My questions are:
1) There are many options: 3.5 vs 2.5 inches, 7200 vs other types, etc. is the option above a good one?
2) Toshiba and the brand below (probably not really relevant the case brand) are good ones? Am I just paying Toshiba brand name or it's actually reliable and worth the price?
3) How do I undestand if the case and the hard disk are compatible provided they are both 3.5 inches?

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Post was last edited on April 23, 2019 1:56 AM PDT

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Re: questions

- A 3.5 inch disk is (originally) meant for desktops, a 2.5 inch disk is smaller, uses less power and so is used in laptops. In an external disk, a 3.5 disk needs it's own power adaptop, a laptop disk can run on USB-power.
- 5400 rpm is slower in random access than 7200 rpm, but uses less power also. Just for storage and backup, 5400 is fine.
- For reliabilty figures, see
- If the disk is SATA, the case should be SATA also. IDE disks hardly exist anymore. There might be a speed difference (in GB/sec) between different versions of SATA.

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