Customers are impressed with the Ultra Dual 64GB Micro USB/USB 3.0 Type A Flash Drive's ample storage, ease of use, and fast transfer speeds, frequently praising its compact size and compatibility. While some users noted the drive can get warm during extended use, and a few expressed a desire for higher storage capacities or a more robust slider mechanism, the positive feedback overwhelmingly outweighs the negative. The drive's affordability is also a frequently cited advantage.
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 1,079 reviews
Pros mentioned:
Storage
Rated 4 out of 5 stars
Fast! Did not fit tablet case though...
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I bought this to transfer files from my Samsung S2 8.0 tablet, but when I got it and tried to plug it in, the case(Supcase unicorn beetle pro) did not allow it to fit in. I ended up getting a short male MICRO USB, to female USB type A adapter to make it work.
Bottom line, it is fast, holds a lot of data, slide mechanisim is flimsy, the dual usb/micro usb is a good idea but needs work if you have a case.
My advice, get the adapter so you can use any regular USB type A flash drive, and add more connection versatility to your device.
No, I would not recommend this to a friend
Pros mentioned:
Storage
Rated 5 out of 5 stars
Finally can have tons of video for my tablet...
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This reviewer received promo considerations or sweepstakes entry for writing a review.
So easy to load season after season of TV shows (or full movies) to play on my tablet or cell phone when stuck somewhere with nothing to do. Also use it with my media player in my home. I have the 32 GB version also.
I would recommend this to a friend
Rated 4 out of 5 stars
Not for my phone
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I failed to check if it was compatible with my phn
I would recommend this to a friend
Pros mentioned:
Compatibility, Size
Cons mentioned:
Heat
Rated 4 out of 5 stars
east to connect with android device but expensive.
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This reviewer received promo considerations or sweepstakes entry for writing a review.
i purchased this last month when there was a sale. easy to carry, connects to both laptop and android devices. data transfer rate is fast from mobile phones to this flash device. negatives - little expensive and gets heated very quickly.
I would recommend this to a friend
Pros mentioned:
Compatibility, Storage
Rated 5 out of 5 stars
EXTRA STORAGE!
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Tried this with many phones, works as intended! Added extra storage for music/videos on the go! :)
I would recommend this to a friend
Pros mentioned:
Storage
Cons mentioned:
Slider
Rated 4 out of 5 stars
Small, spacious & Fast!
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This reviewer received promo considerations or sweepstakes entry for writing a review.
So small with fast read & write speeds. 64GB can store so much. Sandisk makes great USB drives. Only complaint is the slider feels that after a while it will break.
I would recommend this to a friend
Pros mentioned:
Compatibility, Size
Rated 5 out of 5 stars
Very handy
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I really like the size of it and the fact that I can put it anywhere. I also like that's it's compatible with two different type of devices and the push lock on it works great to because at first I thought it may get damage but so far so good.
I would recommend this to a friend
Pros mentioned:
Size, Storage
Rated 5 out of 5 stars
Great for OTG Mobile Phone and PC's
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Very convenience. it's small enough to take with you everywhere. It is what I was looking for to free up space on my phone and transfer to my PC. I will buy another. I recommended it.
I would recommend this to a friend
Pros mentioned:
Size, Storage, Usb
Rated 4 out of 5 stars
Gave as a white elephant gift
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I got this as a white elephant gift for my tech department. I thought that it would come in handy for one of my coworkers at work and at home. It is small and portable, has 64 GB, and is USB 3.0. Sandisk usually makes a pretty good product for a good price so I was not worried about the reputation of the manufacturer, or it being defective. I did not use the item personally but I am pretty sure that my coworker will be happy. I also got the item on sale for $15, which made it a steal for that price!
I would recommend this to a friend
Pros mentioned:
Ease of use, Size
Rated 5 out of 5 stars
Great flash drive
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Small flash drive with lot of space, fast and easy to carry around and can be easily connected to Android phone and computer for easy transfer.
I would recommend this to a friend
Pros mentioned:
Ease of use, Usb
Rated 5 out of 5 stars
Easy to use
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This reviewer received promo considerations or sweepstakes entry for writing a review.
This dual usb is easy to use. One side is standard usb, and the other micro usb for the phone. I was pleased at how easy it was to transfer my phone's photos and videos.
I would recommend this to a friend
Pros mentioned:
Storage, Usb
Rated 5 out of 5 stars
Amazing!....64 GB in a thumbnail size
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Great idea to have both size connectors on one device....
A great way to shoot, save and clear photos from your phone.
an amazing little thumbnail drive.
I would recommend this to a friend
Pros mentioned:
Usb
Rated 5 out of 5 stars
It makes sharing files between devices so much mor
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Amazing USB drive! I have had it for only 2 weeks now but it works really well. The reading and writing speeds are great - I haven't tested it with super large files but you can read 5GB off it in a matter of 2-3 minutes. The dual micro-usb function is a wonderful feature, I can directly plug it into my android phone and tablet and it makes sharing files between devices so much more easy!
I would recommend this to a friend
Pros mentioned:
Size, Usb
Cons mentioned:
Slider
Rated 4 out of 5 stars
Useful gadget for anyone with an Android phone.
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This reviewer received promo considerations or sweepstakes entry for writing a review.
It's a decent and small USB3 drive. The little slider on the side allows you to choose between the standard "A" connector for most computers and the micro-B connectors found on most Android phones over the last decade. The only flaw that I can find is that the slider doesn't have a very strong hold, so if you're not careful, the connector retracts when you're trying to insert it into the computer.
I would recommend this to a friend
Rated 5 out of 5 stars
Great product
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I do like the product, it had it's use for file transfer to my new phone while still allowing me to save for future transfers. The only thing I don't like is the extra thought that goes into making a Apple used product vs an Android used product. Face it, manufacturers make more items and better looking items for Apple products, point blank. The same device for the Apple one has the same base function but looks way better and in the end don't we normally buy stuff because of how it looks more then how it performs?
I would recommend this to a friend
Pros mentioned:
Size, Usb
Rated 5 out of 5 stars
Nice Easy to use Usb Drive
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I purchased this drive to upgrade a 32gb otg drive also from Sandisk its easy to use with having the flexibility of having both a standard size usb size end for the pc, and the micro usb end for tablets and phones. I use this with my tablet to transfer files to and from it all the time Very fast nice drive I also like the size its very compact good price too.
I would recommend this to a friend
Pros mentioned:
Ease of use, Storage
Rated 4 out of 5 stars
Great option to easily purge the phone's storage
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I bought this item because I have a 32 GB phone, and I was CONSTANTLY running out of storage space. Maybe half of it was apps, and the other half was media (pictures, videos, audio, etc). When I saw this item on sale, I thought it was the perfect opportunity to try its convenience. I was not disappointed. Here's a little pro/con on this item:
Pro's: small (hence, portable), convenient, large capacity, sticks right in the phone to free up space, serves as another flash drive for the computer as well.
Con's: You need to download Sandisk's App to move your files from the phone to the drive, and this is the one thing that I didn't like: the app itself. Very restrictive, not as user friendly as you would expect and while transferring files, the battery of the phone drains like crazy; so large transfers (say over 5 GB) aren't an option unless you have your phone fully charged. If you can live with that (I can...) then this device is a good option. The transfer rate is quite reasonable, so that helps in saving some time. But absolutely a much more convenient way to free up some space in your phone than plugging it in to your computer or deleting apps. Sure, you'll eventually have to stick the drive in your computer to free up its space, but that's way easier than doing it with the phone, and also a lot less frequent.
I would recommend this to a friend
Pros mentioned:
Storage, Usb
Rated 5 out of 5 stars
Fast and large
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This reviewer received promo considerations or sweepstakes entry for writing a review.
This is one of the best flash drives ever. has enough storage for everything I need and the usb 3.0 is fast.
I would recommend this to a friend
Pros mentioned:
Compatibility, Size
Rated 5 out of 5 stars
great idea
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This reviewer received promo considerations or sweepstakes entry for writing a review.
nice small size and very convenient being able to connect to my phone and laptop.
I would recommend this to a friend
Pros mentioned:
Ease of use, Storage
Rated 5 out of 5 stars
Love the compatibility
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Love the device can be used in my computer , cell phone and even my CAR. Tons of music space, works like a charm !!