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 10350 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 216 Showing 4,301-4,320 of 10,350 reviews
  • Pros mentioned:
    Storage capacity

    Thumb drive

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

    I am using this to back up pictures and I am pleased with how many it will hold

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

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

    SanDisk Ultra 128GB

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

    Very fast with reading and writing. Durable construction seems sturdy. Happy with 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

    Large storage for little flash drive

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

    This little devise can hold up to 128 gb, so easy to store large pdf files and excel spreadsheets

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

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

    I love it! It does everything I expected and more

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

    It has soooo much room I can't belive it. I can load and watch movies as well. I have 5 movies on it now and I have barely used any of its storage.

    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 for storage

    |
    |
    Posted . Owned for 8 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Wish i had gotten a tad smaller one but it does great for my music in my vehicles factory system. I just can't close the lid to hid the usb ports since this one is a tad longer than other usb sticks. But the quality is great!

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

    I would recommend this to a friend

  • Store It Safe

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

    Works great and just the right size to travel with with no worry

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

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

    Buy!

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

    Hard to believe that 10 GB on a desktop computer was once considered adequate.

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

    Such a nice little USB Stick. It does exactly what I needed it to do.

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

    I would recommend this to a friend

  • Great product!

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

    It was exactly what I needed and worked out Perfectly to download and save my pictures!

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

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

    Easy to use!!

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

    Great usb drive & storage! Caught this on sale!! Use to save homework on!

    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

    Thumb drive

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

    Easy to use. Worked like it was supposed to. I would buy this again.

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

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

    Really appreciate the 3.0 speed.

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

    Prior to this purchase, I had only 2.0 speed flash drive. Was very amazed at the speed of this 3.0 drive. Will only buy 3.0 in the future.

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

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

    Replacement USB

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

    GREAT PRODUCT!!! ......................................

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

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

    Charmed!

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

    Works like a charm! Since you have to write at least 50 characters, here they are

    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 tool for backing up files

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

    I got this to backup picture files that I don't want to lose. Great price and worth every penny for additional protection of my 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

    Large, fast flash drive

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

    Went into Best Buy not looking for a flash drive but was unable to pass up the $22 sale price. Haven't been disappointed with the decision.

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

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

    A good price for a great flash drive

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

    I got a good price for a great flash drive. It's from a quality manufacturer with a more than adequate capacity. It should keep me for a while.

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

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

    saves so much space

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

    this will save a lot of space from your computer, not to mention it was cheap and it just looks cool

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

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

    huge and fast pendrive

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

    very good brand of memory, better than kingston, at 30$ at the black friday was a bargain, I bought 3

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

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

    excellent thumb drive

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

    this is an excellent 128GB 3.0 thumb drive and especially at the great price i paid for it !!

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

    I would recommend this to a friend
Page 216, Showing 4,301-4,320 of 10,350 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.