Best Buy Tech Fest SaleEnds Sunday. Limited quantities. No rainchecks.Shop now

Skip to contentGo to Product Search
Main Content

Customer Ratings & Reviews

No content
  • Front. SanDisk - Ultra 128GB USB 3.0 Flash Drive - Black.
  • Alt View 11. SanDisk - Ultra 128GB USB 3.0 Flash Drive - Black.
  • Alt View 12. SanDisk - Ultra 128GB USB 3.0 Flash Drive - Black.
  • Alt View 13. SanDisk - Ultra 128GB USB 3.0 Flash Drive - Black.
  • Alt View 14. SanDisk - Ultra 128GB USB 3.0 Flash Drive - Black.
  • Alt View 15. SanDisk - Ultra 128GB 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.
  • SanDisk Ultra Flash Drive - 360 View Video video 0 minutes 06 seconds

SANDISK - Ultra 128GB USB 3.0 Flash Drive - Black

Model:
SDCZ48-128G-A46
SKU:
10757559
Highly rated by customers for:
$29.99
Save $12
The comparable value is $41.99

Customer reviews

Rating 4.8 out of 5 stars with 10348 reviews

Rating Filter

Rating by feature

  • Value

    Rating 4.8 out of 5 stars

  • Quality

    Rating 4.8 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 express satisfaction with the product's ample storage capacity, good speed, and overall performance. They also appreciate its ease of use, great price, and convenient size, including its USB 3.0 capabilities. However, some customers have noted that the device can overheat during large data transfers and wish for a more appealing design.

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 203 Showing 4,041-4,060 of 10,348 reviews
  • Pros mentioned:
    Speed

    Insanely fast and extremely light

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

    The fastest flash drive you can find on market. maybe it's not so stylish, or looks fabulous, but it definitely is the FASTEST you can find at this price level.

    This review is from SANDISK - Ultra 128GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend

  • great deal

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

    I bought this product based on other reviews and because of the brand name and have not been disappointed. No problems at all. Really great deal for 3.0 USB.

    This review is from SANDISK - Ultra 128GB USB 3.0 Flash Drive - Black

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

    Flash Drive

    |
    |
    Posted . Owned for 7 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great thing to have if you need to storage any important things that you do not want on your devices.

    This review is from SANDISK - Ultra 128GB USB 3.0 Flash Drive - Black

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

    No Problems Here

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

    I bought this so I can download movies and plug it into my t.v. The movies play one after the other and I love that.

    This review is from SANDISK - Ultra 128GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend
  • Cons mentioned:
    Design

    Great

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

    Wish it came with a cap but other than it its good

    This review is from SANDISK - Ultra 128GB USB 3.0 Flash Drive - Black

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

    3.0 is the way to go!

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

    Fast transfer of files transfered 60gb of info in like an hour.

    This review is from SANDISK - Ultra 128GB USB 3.0 Flash Drive - Black

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

    great usb stick

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

    This is a great usb stick to store a backup image of a windows desktop/laptop computer as well as storing data such as documents,isos etc

    This review is from SANDISK - Ultra 128GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Worth every penny.

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

    Got this on sale for my Blink security system module. Works flawlessly. Cant beat it at 20 bucks.

    This review is from SANDISK - Ultra 128GB USB 3.0 Flash Drive - Black

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

    Flash drive

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

    I bought this for my girlfriend so she could store quite a few photos on there. Instead of leaving them on her laptop

    This review is from SANDISK - Ultra 128GB USB 3.0 Flash Drive - Black

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

    SanDisk

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

    Easy to use. Easy to open the USB drive. Fast upload and download.

    This review is from SANDISK - Ultra 128GB USB 3.0 Flash Drive - Black

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

    Large storage drive

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

    Worked very well to offload several large folders of pictures that we wanted to keep and was faster than the 2.0 version.

    This review is from SANDISK - Ultra 128GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Great usb stick

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

    It is made from a very good quality. It has a protective software to protect the data.

    This review is from SANDISK - Ultra 128GB USB 3.0 Flash Drive - Black

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

    Great place to save pictures and videos offsite

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

    Got this to be a backup for pictures and videos so I could save them on another device away from the computer. Large enough capacity to hold a lot.

    This review is from SANDISK - Ultra 128GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Great flash drive

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

    I owned a few different brands of flash drives, never had any issues with sandisk. I own many flash drives all of which are sandisk.

    This review is from SANDISK - Ultra 128GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend

  • Computer

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

    This was great to have but do not need for my computer repa4

    This review is from SANDISK - Ultra 128GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend

  • Easy to use

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

    Easy to use and store. Small but large enough that it is easy to find.

    This review is from SANDISK - Ultra 128GB USB 3.0 Flash Drive - Black

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

    Ultra 128GB USB 3.0 Flash Drive

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

    Bought on sale for $30. Got if for my son in college to store all his data and assignments fast access great deal. Bought a second one for myself

    This review is from SANDISK - Ultra 128GB USB 3.0 Flash Drive - Black

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

    Must get!

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

    Great and easy to use thumb drive. Definitely recommend. The price was good .

    This review is from SANDISK - Ultra 128GB USB 3.0 Flash Drive - Black

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

    FlashDrive

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

    Very good product and I would recommend this product for ease of mobility

    This review is from SANDISK - Ultra 128GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend

  • Great product

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

    I have always been happy with his brand and it has never let me down. I use this flash drive daily and have some that are years old still working perfect.

    This review is from SANDISK - Ultra 128GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend
Page 203, Showing 4,041-4,060 of 10,348 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.