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 10349 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 206 Showing 4,101-4,120 of 10,349 reviews

  • An excellent 3.0 Flash Drive.

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

    Wanted an inexpensive flash drive, this fit the bill. An excellent 3.0 Flash Drive.

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

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

    Zip Drive.

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

    Works like it should. Very simple - just plug it in and it works.

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

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

    It’s an item

    |
    |
    Posted . Owned for 10 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It is what it is. And sometimes it’s just what you need. So, yeah. It’s worth it at the price.

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

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

    Backup flash drive

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

    Great product and value. And a affordable price which I like

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

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

    USB

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

    very good price and value. Excellent Large memory 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

    Very useful device

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

    I got the SanDisk - Ultra 128GB USB 3.0 Flash Drive on sale at Best Buy and I thought it was a good value. I use it to back up the files on my laptop.

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

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

    Nice

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

    Fit my needs. Buy it if you need it. It worked for me.

    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 Value!!

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

    I have used this brand before and liked it. The memory size is great especially for the sale price which was the reason I purchased this flash drive.

    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!

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

    It does the job! I highly recommended this flash drive to anyone who wishes to increase storage.

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

    I would recommend this to a friend

  • Good product

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

    Worth the money, perfect for most everything. Best bang for your buck.

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

    I would recommend this to a friend

  • San disk drives

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

    San disk drives: In my opinion, the best in the market

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

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

    works well majority of the time

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

    due to the nature of the engineering putting the drive into my computer can be difficult at times, esp. in a cramped space, keeping the stick fully extended. however have loaded approx. 150cd's onto it w/ great play in my car & still have plenty of memory left.

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

    I would recommend this to a friend

  • Really good product

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

    SanDisk is a good quality product. Can be used to transfer files or even to back up files on my computer. The size makes it easy to transport .

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

    I would recommend this to a friend

  • Flash drive

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

    Had a $5 coupon. Always get these for backup of photos

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

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

    Scan disk

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

    Excellent product and very good price. I would recommend it

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

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

    Best usb flash drive!

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

    You can't go wrong with Sandisk. I have multiple Sandisk flash drives and they all work great. I just got this 128 GB to put a bunch of movies in it.

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

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

    Sandisk is the best

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

    This sandisk 128GB USB 3.0 10X is the best and has speed; the best to use when you do not have hours to spend uploading files

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

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

    Love The Sandisk Thumb Drives

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

    Have always had great luck with the Sandisk USB Thumb Drives and this one is no exception! In short - a very happy purchase!!!

    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 backup device

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

    Works great, exactly what I needed for sensitive document backup and storage.

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

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

    Mrs C.O.

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

    Holds a lot of files. Good product to have if you have a lot of photos and documents.

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

    I would recommend this to a friend
Page 206, Showing 4,101-4,120 of 10,349 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.