Appliances Presidents’ Day SaleEnds 2/25. Limited quantities. No rainchecks.Shop now

Skip to contentGo to Product SearchGo to Footer
Main Content

Customer Ratings & Reviews

No content
  • Front. SanDisk - Ultra 64GB USB 3.0 Flash Drive - Black.
  • Alt View 11. SanDisk - Ultra 64GB USB 3.0 Flash Drive - Black.
  • Alt View 12. SanDisk - Ultra 64GB USB 3.0 Flash Drive - Black.
  • Alt View 13. SanDisk - Ultra 64GB USB 3.0 Flash Drive - Black.
  • Alt View 14. SanDisk - Ultra 64GB USB 3.0 Flash Drive - Black.
  • Alt View 15. SanDisk - Ultra 64GB USB 3.0 Flash Drive - Black.
  • Transfer speeds up to 10x faster than standard USB 2.0 drives. SanDisk USB 3.0. USB 3.0 port required. Based on internal testing; performance may be lower depending on host device. 1MB=1,000,000 bytes.
  • Based on 1.2GB MPEG-4 video transfer with USB 3.0 host device. Results may vary based on host device, file attributes and other factors. Transfer a movie in less than 40 seconds.
  • Compatible with USB 3.0 and backward-compatible with USB 2.0.
  • RescuePRO Deluxe Software is an easy file recovery tool that can help you recover lost or deleted files with ease. The software is designed to recover files from various sources, including hard drives, memory cards, and USB drives. RescuePRO Deluxe is a powerful tool that can recover files even after a system crash, virus attack, or accidental deletion. With its user-friendly interface and advanced recovery algorithms, RescuePRO Deluxe is the perfect solution for anyone who needs to recover lost files.
  • Ultra USB3.0 Flash Drive - Product Overview Video video 0 minutes 41 seconds
  • SanDisk Ultra Flash Drive - 360 View Video video 0 minutes 06 seconds

SanDisk - Ultra 64GB USB 3.0 Flash Drive - Black

Model:
SDCZ48-064G-A46
SKU:
10757563
Highly rated by customers for:
$19.72

Customer reviews

Rating 4.8 out of 5 stars with 2984 reviews

Rating Filter

Rating by feature

  • Value

    Rating 4.8 out of 5 stars

  • Quality

    Rating 4.7 out of 5 stars

  • Ease of Use

    Rating 4.8 out of 5 stars

Pros mentioned filter

Cons mentioned filter

98%would recommend to a friend

Customers are saying

Customers praise the Ultra 64GB USB 3.0 Flash Drive for its ample storage, fast speeds, and ease of use. Many appreciate its reasonable price, the speed of USB 3.0, and comfortable size. While the drive is well-received, some users have noted minor issues with heat during data transfer and concerns about the design of the retracting case.

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 41 Showing 801-820 of 2,984 reviews
  • Pros mentioned:
    Speed

    Great Flash Drive

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It works extremely fast! I uploaded about 200,000 files onto it without crashing or slowing down. The encryption setup is a nice bonus too.

    This review is from SanDisk - Ultra 64GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend
  • Pros mentioned:
    Storage

    Fast - Great Capacity

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Love the capacity of this very fast SanDisk drive. Storing videos I've recorded is not a problem.

    This review is from SanDisk - Ultra 64GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend
  • Pros mentioned:
    Speed

    San Disk

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Perfect for moving things from one system to another to continue working on a project or for getting information to another person.

    This review is from SanDisk - Ultra 64GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend
  • Pros mentioned:
    Speed

    Great speed

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I use this for day to day activity in my office and it has great speed and my work is done within no time.

    This review is from SanDisk - Ultra 64GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend
  • Pros mentioned:
    Speed

    Buy a 3.0 for a few bucks more, it's worth it!!!

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Unbelievably fast!!!! My first USE 3.0, and sandisk is my favorite storage drives... very reliable. Good value as always

    This review is from SanDisk - Ultra 64GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend
  • Pros mentioned:
    Usb 3.0

    Great Backup device

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Provides a great way to backup various kinds of data sources. I have always had god results with SanDisk devices.

    This review is from SanDisk - Ultra 64GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend
  • Pros mentioned:
    Speed

    Great Product Great Price

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This works great. It has great speed. If your computer can handle the speed, transfers to and from the device will be quick.

    This review is from SanDisk - Ultra 64GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    I like it.

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It works really great and is easy to use. I use it to copy the intsructions for my embrodery sewing discs.

    This review is from SanDisk - Ultra 64GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend
  • Pros mentioned:
    Usb 3.0

    Great for backups and transfers

    |
    |
    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Works great for backups and transfers between different devices.

    This review is from SanDisk - Ultra 64GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend
  • Pros mentioned:
    Storage

    Sandisk has always been my "go to".

    |
    |
    Posted . Owned for 1.5 years when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Sandisk just keeps getting better and better. I love the storage space on this little flash drive.

    This review is from SanDisk - Ultra 64GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend
  • Pros mentioned:
    Speed

    Really fast Drive

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This high-speed thumb drive works great and fast even on regular USB3 port. I wish I had a USB3 high speed port it would be 10x faster.

    This review is from SanDisk - Ultra 64GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend
  • Pros mentioned:
    Storage

    Best flash drive you can afford

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Sandisk flash drive are the best on the market right now. Great price with enough memory space

    This review is from SanDisk - Ultra 64GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend
  • Pros mentioned:
    Usb 3.0

    great product

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I bought this flash drive on sale and it was a very good purchase it reads and writes on USB 3.0 and 2.0 very quick I would buy it again.

    This review is from SanDisk - Ultra 64GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend
  • Pros mentioned:
    Usb 3.0

    Great flash drive

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I have bought several different kinds but this is the best one ever, the company stands behind there product sandsk is great no problem.

    This review is from SanDisk - Ultra 64GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend
  • Pros mentioned:
    Storage

    Compact tool

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I use thumb drives as a backup system for storage of images I take on photo shoots. When a larger capacity is produced, I will buy that in order to reduce the number of backup devices I take with me. ( I usually shoot on the order of 120 to 200 Gb of raw images /trip.

    This review is from SanDisk - Ultra 64GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend
  • Pros mentioned:
    Speed

    I own two now.

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I liked this flash drive so much, I bought this second one as a separate device for work files. It is fast, durable, and a great price.

    This review is from SanDisk - Ultra 64GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend
  • Pros mentioned:
    Speed

    Very fast write speed

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This flash drive is very fast in writing files and folders transferring from hard drive to the flash drive. Write speed is 30 seconds.

    This review is from SanDisk - Ultra 64GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend
  • Pros mentioned:
    Storage

    Good data saver

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Good capacity and transfer rate for moving videos and lots of photos between devices. Is usable as a backup for photo libraries.

    This review is from SanDisk - Ultra 64GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend
  • Pros mentioned:
    Speed

    Cheap, works great

    |
    |
    Posted . Owned for 2 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Good speed for a cheap drive. Better than USB2, but not near extreme speeds. Good for the price.

    This review is from SanDisk - Ultra 64GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend
  • Pros mentioned:
    Storage

    Sandisk, Performance!

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Using this on a new MINIX Neo Z83-4 for the added storage along with a portable USB HD. Very nice! Thanks again, Best Buy.

    This review is from SanDisk - Ultra 64GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend
Page 41, Showing 801-820 of 2,984 reviews
Sign in or Create Account

Get the latest deals and more.

Best Buy appLearn more
Share on YouTubeShare on InstagramShare on TikTokShare on FacebookShare on PinterestShare on X
Best Buy Canada
AccessibilityTerms & ConditionsPrivacyInterest-Based AdsState Privacy RightsHealth Data PrivacyDo Not Sell/Share My Personal InformationLimit Use of My Sensitive Personal InformationTargeted Advertising Opt OutCA Supply Chain Transparency Act
In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.