The Best External Hard Drives and Portable SSDs of 2019

Aug 17, 2019
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I thought the first item seemed too good to be true at £8.59 and I was right. I clicked on the Amazon link and turned out it was
Khanka hard case carrying bag for SanDisk Extreme Portable SSD

Did the reviewer have too much to dream last night?
 
Jan 24, 2020
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4TB hard drive is the best in 2020? Are you not aware that seagate released a portable (very good and equally reliable) 5TB drive in 2017?!?
nearly 3 years later and we're still stuck with 5TB (apart from the reviewer that is stuck even lower at 4TB).. Am really hoping the 8TB portables don't take too long.

Edit: Also if you're going to recommend WD drives in Jan 2020 you might wanna look into the new WD Black drives. They also come in 5TB capacity but cost a bit more because performance.
 
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Feb 13, 2020
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4TB hard drive is the best in 2020? Are you not aware that seagate released a portable (very good and equally reliable) 5TB drive in 2017?!?
nearly 3 years later and we're still stuck with 5TB (apart from the reviewer that is stuck even lower at 4TB).. Am really hoping the 8TB portables don't take too long.

Edit: Also if you're going to recommend WD drives in Jan 2020 you might wanna look into the new WD Black drives. They also come in 5TB capacity but cost a bit more because performance.
If you're looking for a portable 8TB, there aren't any single 2.5" HDD options. However, LaCie and Oyen Digital both offer a Rugged RAID that is 8TB in RAID0. Oyen Digital also offers a 10TB option.

For single drives, there are SSD options now that are at 8TB (7.68TB) Oyen Digital just released an 8TB SSD option in their MiniPro line.
 
May 8, 2020
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Here are the best external hard drives and SSDs for the money. These drives offer the best balance of performance, features and price.

The Best External Hard Drives and Portable SSDs of 2019 : Read more
I think one metric for comparing storage is to look at Sustained Write Performance as well, because it affects anyone who needs to do a large write: whether it's just once a week, or else many times a day.

But I've looked at Tom's Hadware's Reviews, and it's hard to get enough details n the process used to perform the test, in order to relate it to other factors, and to other Revew sites. Or in fact to your existing SSD if you test it.

Specifically, when you do the Sustained Sequential 128kB Write test, what do you use for:
(1) Queue Depth?
(2) Conditioning the SSD before?
(3) Data recording frequency? (your charts are smooth lines, without any points to indicate the datum points). Do you do it 1 or two datum points per second, or is it by data volume, as in 1 datum per GB or so?
(4) Overprovisioning: do you control this, or do you use the "stock" settings?

The other review sites that do this type of test (Anandtech, TechPowerUp, Guru3D, TweakTown) supply sufficient detail to be able to use their test results.

Once you know the above, you can calculate other metrics such as IOPS and Latency. And with so many SSD variants made, it's not possible to find any single Review site that does them all, or even reviews the size you might want to buy.

Therefore you need to be able to compare benchmark results as best you can, but that means you need sufficent details on the critical parameters used.

i'm sure it's just an oversight on your part, you give details on other aspects.

Thank you for your feedback on this.
Regards,
Alan, Sheffield
 
Reactions: jalyst
Jun 24, 2020
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It would be nice if the people writing an article highlighting data transfer speeds knew the difference between a gigabyte (GB) and a gigabit (Gb). 1 GB = 8Gb!

For example, the first drive (SanDisk) has an advertised top speed of 7.8 Gbps, not 80 Gbps as the authors state.
 
Jul 26, 2021
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Just checking to see when folks started confusing hard and solidstate drives.
I guess it was before this column started, even.
 
Aug 28, 2021
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this article doesn't discuss having a portal OS on any of these.
are any of these practical to have a portable os installed on them and have it at usable speed?
 

USAFRet

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Mar 16, 2013
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this article doesn't discuss having a portal OS on any of these.
are any of these practical to have a portable os installed on them and have it at usable speed?
The differing SSDs would make no difference.
A good drive is a good drive, a bad drive is a bad drive.

And for something like a bootable OS, you're still pumping all that through a USB/thunderbolt connection. Slow, as compared to an internal SATA or NVMe connection.
 

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