Presidents’ Day SaleEnds February 16. 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 4915 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 194 Showing 3,861-3,880 of 4,915 reviews

  • Decent Drive

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

    Decent flash drive! Works as expected! Keeps getting bigger! Good access speed!

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

    I would recommend this to a friend

  • Great storage device for the money.

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

    This was deeply discounted when I bought it, and it was well worth it. Like other such USB flash drives, the writes are a bit slow but reads are very fast.

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

    I would recommend this to a friend

  • 256GB! And carry it in your pocket!!!

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

    This has proven to be a very "reliable" drive. I highly recommend them! Especially when Best Buy has them on sale!!! Can't beat it!!!

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

    I would recommend this to a friend

  • Good Product

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

    This is a good product that I have used before and will continue to use.

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

    I would recommend this to a friend

  • Best Quality

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

    great price and reliable product! Very happy to have it!

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

    I would recommend this to a friend

  • Lots of room

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

    We fo family research and this is just what we needed!

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

    I would recommend this to a friend

  • Life saver

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

    I have so much less worry knowing that I have every picture backed up on one big drive!!

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

    I would recommend this to a friend

  • Safe storage

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

    I bought this to back up pictures, very fast write speed, and it's a Sandisk, so it will be reliable.

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

    I would recommend this to a friend

  • Deb

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

    excellent value for what I needed to save pictures and music from years ago.

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

    I would recommend this to a friend

  • Awesome

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

    Always nice to get retail price at Best Buy and not paying an obnoxious price elsewhere

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

    I would recommend this to a friend

  • Perfect USB

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

    This usb is handy to store, important photos, documents and would be perfect for kids in school

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

    I would recommend this to a friend

  • Great flashdrive

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

    Have had no problems with this flash drive for backing up my stuff

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

    I would recommend this to a friend

  • San Disk the Best

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

    For the price, San disk is the best. Have been using them for years. You always need a flash drive

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

    I would recommend this to a friend

  • Good Storage Value

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

    Good storage value for the cost. Retractability adds some nice protection.

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

    I would recommend this to a friend

  • photo sticks

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

    got two of them for gifts, it's nice to have one and pass one to my family's pictures.

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

    I would recommend this to a friend

  • Great

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

    This thumbdrive works as expected and described. And got a great price at Best Buy. No complaints at all.

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

    I would recommend this to a friend

  • Great Drive to carry for general storage

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

    Bought it to keep in purse for general file storage or transfer.

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

    I would recommend this to a friend

  • Great for backing up data

    |
    |
    Posted . Owned for 11 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Using this as part of my digital backup system. I update the info on it yearly.

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

    I would recommend this to a friend

  • does what its supposed to

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

    no problems yet seems to be working fine with my roku

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

    I would recommend this to a friend

  • Storage device

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

    The product meets all my needs. Good service, easy to locate in location.

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

    I would recommend this to a friend
Page 194, Showing 3,861-3,880 of 4,915 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.