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

Skip to contentGo to Product SearchGo to Footer
Gift Ideas
Main Content

Customer Ratings & Reviews

No content
  • Front. SanDisk - Ultra 256GB USB 3.0 Flash Drive - Black.
  • Alt View 11. SanDisk - Ultra 256GB USB 3.0 Flash Drive - Black.
  • Alt View 12. SanDisk - Ultra 256GB USB 3.0 Flash Drive - Black.
  • Alt View 13. SanDisk - Ultra 256GB USB 3.0 Flash Drive - Black.
  • Alt View 14. SanDisk - Ultra 256GB USB 3.0 Flash Drive - Black.
  • Alt View 15. SanDisk - Ultra 256GB 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 256GB USB 3.0 Flash Drive - Black

Model:
SDCZ48-256G-A46
SKU:
10757539
Your price for this item is $33.99
The comparable value price is $64.99

Customer reviews

Rating 4.8 out of 5 stars with 4913 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

98%
would recommend
to a friend
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 111 Showing 2,201-2,220 of 4,913 reviews

  • easy to use

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

    Has more than enough storage . You may not need this size but why use more than one thumb drive , it backs up your entire computer .

    This review is from SANDISK - Ultra 256GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend

  • 256 GB, Excellent storage!!

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

    I love this Flash drive, enough storage and good for my Dell and iMac computer at work and at home. I recommend this Ultra 256 GB!

    This review is from SANDISK - Ultra 256GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend

  • Great device

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

    Great device. I was in the middle of a recording session and the over priced external drive we had originally purchased was not compatible with the recording studio equipment. So we had to rush out and buy a storage device to save my recordings. This handy device worked perfect!

    This review is from SANDISK - Ultra 256GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend

  • Engineer

    |
    |
    Posted . Owned for 9 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Works well but can get a little hot. Great Price.

    This review is from SANDISK - Ultra 256GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend

  • Good deal

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

    Good Value for money. Nothing to complain about for the storage space and money

    This review is from SANDISK - Ultra 256GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend

  • 256GB Flash Drive

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

    Easy to use and fast to make copies from different files. Help me in and out office and home.

    This review is from SANDISK - Ultra 256GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend

  • Great for portable operating systems

    |
    |
    Posted . Owned for 5 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great usb memory stick. Large size allows it to hold operating system and some storage.

    This review is from SANDISK - Ultra 256GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend

  • SanDisk 256GB Memory Stick Review

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

    Very good memory stick at a great price. I would buy it again.

    This review is from SANDISK - Ultra 256GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend

  • Bought for xbox one

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

    I bought this in the hopes that it would be compatible with my xbox one and it turns out it was. It has worked perfectly, and it was cheap.

    This review is from SANDISK - Ultra 256GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend

  • Sandisk - Ultra 256gb Usb 3.0 Type A Flash Drive

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

    excellent choice to create a handy image or backup of a laptop. and of course to just backup files. Used to create a bootable OS on a stick

    This review is from SANDISK - Ultra 256GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend

  • cheap, permanent storage

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

    256 GB. WOW! it will work until USB is supplanted by a new technology. Possible not in my lifetime.

    This review is from SANDISK - Ultra 256GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend

  • Great price

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

    It was great price for the amount of storage this has. I would recommend this brand of used it for years.

    This review is from SANDISK - Ultra 256GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend

  • It is a product worth every penny

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

    If you want extra! extra!! and extra!!! storage for your computer, get this product

    This review is from SANDISK - Ultra 256GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend

  • Excellent quality

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

    Excellent quality and in stock at my Best Buy store. The data transfer speed is very good also.

    This review is from SANDISK - Ultra 256GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend

  • Excellent Flash Drive

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

    Great storage space, read to write speed on 3.0 is really quick. Formatted it to back up my Mac's via time machine. On sale, a great deal !

    This review is from SANDISK - Ultra 256GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend

  • Great for storing music files

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

    I've got nearly 7,000 music files stored on this, freeing up my laptop. It works very well.

    This review is from SANDISK - Ultra 256GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend

  • Store a ton fast and easy

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

    Excellent value, great capacity and very convenient USB flash drive.

    This review is from SANDISK - Ultra 256GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend

  • Perfect storage

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

    Lots of storage. Perfect for large files, and retracts.

    This review is from SANDISK - Ultra 256GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend

  • great usb flash drive!

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

    This is a great drive. 3.0 speed. I actually use this to back up my work computer. I would recommend this to everyone who is on the go.

    This review is from SANDISK - Ultra 256GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend

  • Great usb

    |
    |
    Posted . Owned for 5 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great usb device I love it super fast and nice good

    This review is from SANDISK - Ultra 256GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend
Page 111, Showing 2,201-2,220 of 4,913 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.