Customers often highlight the ample storage capacity of the Expansion 18TB External USB 3.0 Desktop Hard Drive, praising its ability to hold vast quantities of files and high-resolution footage. The drive's ease of use and relatively compact size are also frequently mentioned as positive aspects. However, some users note that the drive can be somewhat loud during operation. Overall, the large storage capacity is a significant selling point for this external hard drive.
This summary was generated by AI based on customer reviews.
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 1 Showing 1-20 of 44 reviews
Rated 5 out of 5 stars
A Lot For A Little
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I'm a fan of the Seagate brand. Best Buy total tech price made this a good deal for me.
I would recommend this to a friend
Pros mentioned:
Size, Storage
Cons mentioned:
Noise
Rated 5 out of 5 stars
Good drive that works with Windows 11
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
This is a very good external hard drive that provides a lot of storage space and is surprisingly small. The only nitpick I can give is that it can run loud sometimes, but an old spinny drive like this should just be used for backups and storage anyway, so it's not a big deal.
I would recommend this to a friend
Pros mentioned:
Value
Cons mentioned:
Noise
Rated 5 out of 5 stars
Value hard drive
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Posted . Owned for 2 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
For data holders, this is a very solid external hard drive. Well, it can be a little noisy when being accessed, this is a solid value play on a dollars per gigabyte metric. It may be obvious, but keep in mind that these drives need a power supply so be sure to account for that win planning your purchase.
I would recommend this to a friend
Pros mentioned:
Value
Rated 5 out of 5 stars
Stored
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
These Seagate drives have been hitting on cost per terabyte. Not sure of reliability time will tell but so far so good!
I would recommend this to a friend
Rated 5 out of 5 stars
Backup Power
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Posted . Owned for 1 year when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I have purchased two of these for my office. They protect my expensive equipment and buy me time when I lose power.
I would recommend this to a friend
Pros mentioned:
Size, Value
Rated 5 out of 5 stars
Good hard, drive great value
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
 I found this to be a good purchase, basically because of the value and the size.
I would recommend this to a friend
Rated 1 out of 5 stars
Faulty Drive - Seagate support is horrible
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Posted . Owned for 8 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I know all drives have some chance of failure, but so far in my experience Seagate is the only drives that have failed on me. I didnt want to purchase Seagate again but this 18tb was the right price and the space I needed. Well it failed 9 months in!! 12tbs of data at risk of loss.
Seagate support is horrible spent an hour on the phone with CS for an advanced replacement the agent messed up the serial and had to redo the order which took another half hour of waiting on hold. Now almost a month later I still dont have my advanced replacement while my drive sits at risk of total data loss. It was supposed to arrive this week but the label has just been created and not shipped out yet for a week now.
Never again will I buy a seagate product again this has to be my worst tech rma replacement and at a significant product price point. Dont be like me and pass on the best buy warranty if you do buy this. I considered it at check out knowing the possibility this would fail but trusted it would be fine or seagate support would be competent. Definitely kicking myself for not getting the best buy warranty.
Horrible slow noisy product!!! Stay away from seagate!
No, I would not recommend this to a friend
Pros mentioned:
Size
Rated 5 out of 5 stars
Good holdover.
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Posted . Owned for 2 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
My work has these 10 year old Drobos that are a pain and running out of space. Attempt of upgrading the drives in size didnt help. I got 2 of the 18 TB versions and backed up the entire Drobo with a TB to spare until we get a Synology with over 200 TB. Note both drives are set up for backup incase someone knocks 1 and renders it inaccessible. Right now i have them back in their box.
I would recommend this to a friend
Pros mentioned:
Storage
Rated 5 out of 5 stars
Great Purchase I Made!
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Posted . Owned for 8 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Had purchased this particular 18 Terabyte External Hard Drive to store Videos and other Files. It was the best purchase that I had made. Have had no trouble with the External Hard Drive. Highly Recommend It!!!!!
I would recommend this to a friend
Rated 5 out of 5 stars
Great
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Posted . Owned for 1.5 years when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Seagate is a great brand, the last drive I bought was WD and it fell 2 feet onto carpet and got corrupted when I’ve traveled with Seagate and never had an issue
I would recommend this to a friend
Pros mentioned:
Speed
Rated 5 out of 5 stars
An excellent external drive.
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Posted . Owned for 2 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
The drive has performed flawlessly and has very high data transfer speeds. Unfortunately the drive comes formatted with the exFAT file system, which isn't recognized by my online backup - so I had to reformat the drive.
I would recommend this to a friend
Pros mentioned:
Storage
Rated 5 out of 5 stars
Great external hard drives for files.
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Posted . Owned for 1 year when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Very good external hard drive, I bought 2 so far and haven't given me any issues. Run pretty quiet and does storage of a lot of files.
I would recommend this to a friend
Pros mentioned:
Speed
Rated 5 out of 5 stars
Big Seagate fan
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I have a westenhouse that is nosey and slow the seagate is quieter and there is never buffering when I play saved video files stored on the external hard drive. I will keep the westenhouse as a backup
I would recommend this to a friend
Cons mentioned:
Noise
Rated 4 out of 5 stars
Good if you don't need crazy R/W speeds.
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Posted . Owned for 11 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Works well for a Plex server. Makes a bit of noise while indexing/reading etc. so don't place it near where you sleep.
I would recommend this to a friend
Pros mentioned:
Storage
Rated 5 out of 5 stars
Highly recommend this Seagate hard drive.
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Love the new 18TB Seagate hard drive. It is replacing 2 Drobo S RAID systems I have been worried about for years.
I would recommend this to a friend
Pros mentioned:
Storage
Rated 5 out of 5 stars
EXFAT to NTFS
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
excellent hard drive, biggest one ive ever bought, its still going strong and i hope it never fails, i did format it to NTFS so it would be more reliable for windows pc
I would recommend this to a friend
Pros mentioned:
Speed
Rated 5 out of 5 stars
18TB
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Posted . Owned for 2 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Way too much space. I wont ever need so much but just in case. Fast
I would recommend this to a friend
Pros mentioned:
Storage
Rated 5 out of 5 stars
Easy to Use
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Posted . Owned for 4 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
This external HDD has served me well, a lot of storage for a reasonable price point.
I would recommend this to a friend
Pros mentioned:
Ease of use
Rated 5 out of 5 stars
Very good choice
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I really like it , easy to use just drag your files into it
I would recommend this to a friend
Pros mentioned:
Storage
Rated 5 out of 5 stars
So far so good.
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Plenty of space. I wish it was a little bit quicker on transfers. But overall it is nice.