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SplendidSeed435 16K Views
Dec 4, 2025 2:02 AM

22TB Seagate Expansion Desktop USB 3.0 External Hard Drive

$230

$300

23% off
+ Free Shippingat Seagate.com
Visit Seagate.com

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Deal Details
Seagate has 22TB Seagate External USB 3.0 Desktop Hard Drive (STKP22000400) on sale for $229.99. Shipping is free.

Thanks to Community Member SplendidSeed435 for sharing this deal.

About this product:
  • Easy-to-use desktop hard drive—simply plug in the power adapter and USB cable
  • Fast file transfers with USB 3.3
  • Drag-and-drop file saving right out of the box
  • Automatic recognition of Windows and Mac computers for simple setup (Reformatting required for use with Time Machine)
  • Enjoy peace of mind with the included limited warranty and Rescue Data Recovery Services

Editor's Notes

Written by qwikwit | Staff
  • About this Store:
    • Refer to Seagate's Return Policy here.
  • Additional Information:
    • This offer matches our popular front page deal (sold through Best Buy or Amazon) which earned over 40 thumbs up.
    • Please see the original post for additional details and/or view the Wiki and forum comments for further helpful discussion if available.

Original Post

Written by SplendidSeed435
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Seagate has 22TB Seagate External USB 3.0 Desktop Hard Drive (STKP22000400) on sale for $229.99. Shipping is free.

Thanks to Community Member SplendidSeed435 for sharing this deal.

About this product:
  • Easy-to-use desktop hard drive—simply plug in the power adapter and USB cable
  • Fast file transfers with USB 3.3
  • Drag-and-drop file saving right out of the box
  • Automatic recognition of Windows and Mac computers for simple setup (Reformatting required for use with Time Machine)
  • Enjoy peace of mind with the included limited warranty and Rescue Data Recovery Services

Editor's Notes

Written by qwikwit | Staff
  • About this Store:
    • Refer to Seagate's Return Policy here.
  • Additional Information:
    • This offer matches our popular front page deal (sold through Best Buy or Amazon) which earned over 40 thumbs up.
    • Please see the original post for additional details and/or view the Wiki and forum comments for further helpful discussion if available.

Original Post

Written by SplendidSeed435

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53 Comments

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Dec 4, 2025 2:16 AM
1K Comments
Joined Dec 2005
bengalihDec 4, 2025 2:16 AM
1K Comments
I believe these are only rated for 2,400 power on hours/year.
Also, only a year warranty.

Possibly superior to the WD externals for shucking, as some claim those are firmware limited on speed (though I haven't seen enough proof), but still subpar to the 2-yr external warranties.
4
2
Dec 4, 2025 4:11 AM
256 Comments
Joined Sep 2012
FozzyFozborneDec 4, 2025 4:11 AM
256 Comments
Quote from bengalih View quoted comment :
I believe these are only rated for 2,400 power on hours/year.Also, only a year warranty.Possibly superior to the WD externals for shucking, as some claim those are firmware limited on speed (though I haven't seen enough proof), but still subpar to the 2-yr external warranties.
They're only *warrantied* for... A Honda Civic is only *warrantied* for 3 years/36k miles. Guess what? The bumpers don't fall off at 36,001.They use these figures to create artificial product segmentation through FUD. Sure, just buy the drive with tweaked firmware at twice the price because of the warranty coverage.
1
5
Dec 4, 2025 5:41 AM
73 Comments
Joined Dec 2015
CaffeinatedGuyDec 4, 2025 5:41 AM
73 Comments
What drive is used in these?
Dec 4, 2025 12:02 PM
2.1K Comments
Joined Dec 2005
stokeyDec 4, 2025 12:02 PM
2.1K Comments
Quote from CaffeinatedGuy View quoted comment :
What drive is used in these?
The real question.
Dec 4, 2025 2:31 PM
304 Comments
Joined Nov 2014
StreaminDec 4, 2025 2:31 PM
304 Comments

Our community has rated this post as helpful. If you agree, why not thank

Quote from stokey View quoted comment :
The real question.
Wanting to give a detailed conclusion after doing extensive research and testing on the two drives I have ordered last week.
I am in Canada. In total I paid 705$ after tax, which comes down to $0.0159/GB, which is insane value.
1. ⁠Model number is ST22000DM000.
This is a barracuda labeled OEM/ white label drive. this drive is not retailed anywhere and there is no information online available.
I have spoken to seagate rep to try to extract some information about the drives I purchased but received conflicting and questionable information.

At first they gave me EXOS data sheet, then they gave me barracuda (regular) data sheet, but none of the datasheet alligns with the model number. Given that the model number is DM000, it is very highly likely that this is a barracuda regular drive.

2. ⁠Rep claimed the following specs:
Cache Size:
256MB Interface: SATA 6Gb/s7200 RPM Helium-filled CMR

3. Personal testing:- This is CMR drive. sustained 230+ Mybte/s write rate for over 10 minutes on 200GB write file test. critical for NAS- This is NOT helium filled - idle temps 56 - 58 degrees C and max went to 61 degrees.

EDIT1: it IS a helium drive after further testing - see edit1. The previous test is in the enclosure.- Detected ERC 7 seconds for both read and write - critical for NAS- firmware EN03 - but shouldn't matter.- unlikely to have vibration sensor.

Personally, I will be keeping and shucking these two drives and putting them into my synology NAS. Unfortunately, it isn't exos or ironwold which is a bummer, but I have a two bay nas and should be still fine. Price is too good.I hope this helps anybody wondering

EDIT1: I spent the entire night further testing these drives after I have shucked them.

1. ⁠The initial sustained temperature 56-58 degrees from my testing the drive within its enclosure is not accurate. After shucking and leaving it in the open I ran test on it for 8 hours and it peaked at 47 degrees. This is indeed a helium drive.

2. ⁠The initial write speed was 240MB/s and dropped to about 220MB/s after 8 TB. This sorts of speed resemble Ironwolf/ Exos models more than regular Barracuda.

EDIT 1 thoughts: I think this is likely an undercover binned exos/ ironwolf drive, disguised under white
label to discourage shucking.

From a social site
19
1
Dec 4, 2025 2:31 PM
2.4K Comments
Joined Oct 2011
MWinkDec 4, 2025 2:31 PM
2.4K Comments
Quote from bengalih View quoted comment :
I believe these are only rated for 2,400 power on hours/year.
Also, only a year warranty.

Possibly superior to the WD externals for shucking, as some claim those are firmware limited on speed (though I haven't seen enough proof), but still subpar to the 2-yr external warranties.
Technically, these drives (the Expansion) don't have workload ratings at all.

The performance of the drives in the WD externals is definitely throttled (compared to their Ultrastar counterparts). The Seagates don't seem to have as much of a performance reduction. These drives generally peak around 260-270MB/s.
1
Dec 4, 2025 2:39 PM
2.4K Comments
Joined Oct 2011
MWinkDec 4, 2025 2:39 PM
2.4K Comments

Our community has rated this post as helpful. If you agree, why not thank

Quote from Streamin View quoted comment :
Wanting to give a detailed conclusion after doing extensive research and testing on the two drives I have ordered last week. I am in Canada. In total I paid 705$ after tax, which comes down to $0.0159/GB, which is insane value.1. ⁠Model number is ST22000DM000. This is a barracuda labeled OEM/ white label drive. this drive is not retailed anywhere and there is no information online available. I have spoken to seagate rep to try to extract some information about the drives I purchased but received conflicting and questionable information. At first they gave me EXOS data sheet, then they gave me barracuda (regular) data sheet, but none of the datasheet alligns with the model number. Given that the model number is DM000, it is very highly likely that this is a barracuda regular drive.2. ⁠Rep claimed the following specs: Cache Size: 256MBInterface: SATA 6Gb/s7200 RPMHelium-filledCMR3. Personal testing:- This is CMR drive. sustained 230+ Mybte/s write rate for over 10 minutes on 200GB write file test. critical for NAS- This is NOT helium filled - idle temps 56 - 58 degrees C and max went to 61 degrees. EDIT1: it IS a helium drive after further testing - see edit1. The previous test is in the enclosure.- Detected ERC 7 seconds for both read and write - critical for NAS- firmware EN03 - but shouldn't matter.- unlikely to have vibration sensor.Personally, I will be keeping and shucking these two drives and putting them into my synology NAS. Unfortunately, it isn't exos or ironwold which is a bummer, but I have a two bay nas and should be still fine. Price is too good.I hope this helps anybody wonderingEDIT1: I spent the entire night further testing these drives after I have shucked them.1. ⁠The initial sustained temperature 56-58 degrees from my testing the drive within its enclosure is not accurate. After shucking and leaving it in the open I ran test on it for 8 hours and it peaked at 47 degrees. This is indeed a helium drive.2. ⁠The initial write speed was 240MB/s and dropped to about 220MB/s after 8 TB. This sorts of speed resemble Ironwolf/ Exos models more than regular Barracuda.EDIT 1 thoughts: I think this is likely an undercover binned exos/ ironwolf drive, disguised under white label to discourage shucking.From a social site
You've already figured some of this out but I'll just reiterate for anyone else wondering. These are CMR, helium, HAMR drives and should have 512MB cache. There are no DM-SMR (the only type of SMR meant for consumers) or air drives anywhere close to this capacity. All the large (>10TB) Barracuda labeled drives are HAMR. They're based on the same design as some Exos, though which exact one is up for debate.
2

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Dec 4, 2025 3:12 PM
71 Comments
Joined Nov 2020
JonAllenDec 4, 2025 3:12 PM
71 Comments
Quote from Streamin View quoted comment :
Wanting to give a detailed conclusion after doing extensive research and testing on the two drives I have ordered last week.
I am in Canada. In total I paid 705$ after tax, which comes down to $0.0159/GB, which is insane value.
1. ⁠Model number is ST22000DM000.
This is a barracuda labeled OEM/ white label drive. this drive is not retailed anywhere and there is no information online available.
I have spoken to seagate rep to try to extract some information about the drives I purchased but received conflicting and questionable information.

At first they gave me EXOS data sheet, then they gave me barracuda (regular) data sheet, but none of the datasheet alligns with the model number. Given that the model number is DM000, it is very highly likely that this is a barracuda regular drive.

2. ⁠Rep claimed the following specs:
Cache Size:
256MB Interface: SATA 6Gb/s7200 RPM Helium-filled CMR

3. Personal testing:- This is CMR drive. sustained 230+ Mybte/s write rate for over 10 minutes on 200GB write file test. critical for NAS- This is NOT helium filled - idle temps 56 - 58 degrees C and max went to 61 degrees.

EDIT1: it IS a helium drive after further testing - see edit1. The previous test is in the enclosure.- Detected ERC 7 seconds for both read and write - critical for NAS- firmware EN03 - but shouldn't matter.- unlikely to have vibration sensor.

Personally, I will be keeping and shucking these two drives and putting them into my synology NAS. Unfortunately, it isn't exos or ironwold which is a bummer, but I have a two bay nas and should be still fine. Price is too good.I hope this helps anybody wondering

EDIT1: I spent the entire night further testing these drives after I have shucked them.

1. ⁠The initial sustained temperature 56-58 degrees from my testing the drive within its enclosure is not accurate. After shucking and leaving it in the open I ran test on it for 8 hours and it peaked at 47 degrees. This is indeed a helium drive.

2. ⁠The initial write speed was 240MB/s and dropped to about 220MB/s after 8 TB. This sorts of speed resemble Ironwolf/ Exos models more than regular Barracuda.

EDIT 1 thoughts: I think this is likely an undercover binned exos/ ironwolf drive, disguised under white
label to discourage shucking.

From a social site
Thanks for all that info and research. I'm not super technical but am looking for a good drive to serve in a NAS. Do you think this would last for years and years in a NAS?
Dec 4, 2025 4:42 PM
220 Comments
Joined Mar 2021
SociableWren1282Dec 4, 2025 4:42 PM
220 Comments
Quote from JonAllen View quoted comment :
Thanks for all that info and research. I'm not super technical but am looking for a good drive to serve in a NAS. Do you think this would last for years and years in a NAS?

This is great for NAS and a good value at the relatively low price per TB. As always, configure your NAS for RAID or other redundancy, especially if you have sensitive data. Possibly an overperformer for cold storage backups, but still an excellent value.


I will say that these are more difficult to take apart than most other drives, which furthers the point that Streamin made about these being discouraged to shuck. There are almost no seams. You'll have to use a knife or flathead to pry open via the vents.
Dec 4, 2025 6:57 PM
3.2K Comments
Joined Mar 2004
npoliteDec 4, 2025 6:57 PM
3.2K Comments
Great deal. Thanks!
Dec 4, 2025 7:01 PM
10.4K Comments
Joined Sep 2013
alxshantiDec 4, 2025 7:01 PM
10.4K Comments
Would you say good for desktop internal use?
Pro
Dec 4, 2025 7:15 PM
4.6K Comments
Joined Jul 2003
edrock200
Pro
Dec 4, 2025 7:15 PM
4.6K Comments
Quote from MWink View quoted comment :

You've already figured some of this out but I'll just reiterate for anyone else wondering. These are CMR, helium, HAMR drives and should have 512MB cache. There are no DM-SMR (the only type of SMR meant for consumers) or air drives anywhere close to this capacity. All the large (>10TB) Barracuda labeled drives are HAMR. They're based on the same design as some Exos, though which exact one is up for debate.
This is awesome info. We should really get a guide in one of the forums about platter types and NVME types. I haven't kept up in recent years and there details are good for the consumers to know.
Dec 4, 2025 7:25 PM
167 Comments
Joined Jan 2014
chuckdealzDec 4, 2025 7:25 PM
167 Comments
I've had a pair WD Elements 20tb drives running flawlessly in a NAS 24/7 for 4 years now and was about to install 2 more. I really know nothing about drives though. Would y'all say these are better than the WD drives?
Dec 4, 2025 7:27 PM
4K Comments
Joined Mar 2004
e-powersellersDec 4, 2025 7:27 PM
4K Comments
Great deal, but I went with a similar discount on the 6TB for $110 delivered directly from their site. Yes, value per TB is better with the 22TB; however, it's overkill for what I need, and I would rather have multiple backups on smaller drives than the whole kit and kaboodle on one 22TB. Thanks for the heads up!

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Dec 4, 2025 7:33 PM
2K Comments
Joined Jun 2014
bieberwhole69Dec 4, 2025 7:33 PM
2K Comments
Quote from e-powersellers View quoted comment :
Great deal, but I went with a similar discount on the 6TB for $110 delivered directly from their site. Yes, value per TB is better with the 22TB; however, it's overkill for what I need, and I would rather have multiple backups on smaller drives than the whole kit and kaboodle on one 22TB. Thanks for the heads up!
and here i am about to buy 2 for my needs

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