4th of July Appliances Sale.Free delivery. Ends 7/8. Terms apply.Shop now

Skip to contentGo to Product Search
Main Content

Customer Ratings & Reviews

No content
  • Front. SanDisk - Ultra 512GB USB 3.0 Flash Drive - Black.
  • Alt View 11. SanDisk - Ultra 512GB USB 3.0 Flash Drive - Black.
  • Alt View 13. SanDisk - Ultra 512GB USB 3.0 Flash Drive - Black.
  • Alt View 14. SanDisk - Ultra 512GB USB 3.0 Flash Drive - Black.
  • Alt View 15. SanDisk - Ultra 512GB 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.
  • Ultra USB3.0 Flash Drive - Product Overview Video video 0 minutes 41 seconds
  • SanDisk Ultra Flash Drive - 360 View Video video 0 minutes 06 seconds

SANDISK - Ultra 512GB USB 3.0 Flash Drive - Black

Model:
SDCZ48-512G-A46
SKU:
12301531
Highly rated by customers for:
$145.14

Customer reviews

Rating 4.8 out of 5 stars with 1318 reviews

Rating Filter

Rating by feature

  • Value

    Rating 4.7 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

97%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 45 Showing 881-900 of 1,318 reviews
  • Pros mentioned:
    Overall performance

    Reliable storage.

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

    Storage is storage...and these are the most reliable ones made.

    This review is from SANDISK - Ultra 512GB 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 holds everything and beyond! It is great having a flash drive that can hold as much as it does.

    This review is from SANDISK - Ultra 512GB USB 3.0 Flash Drive - Black

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

    USB drive

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

    the product works well. It does what it is supposed to do fast.

    This review is from SANDISK - Ultra 512GB USB 3.0 Flash Drive - Black

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

    USB Flash with great utility

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

    Backup and utilization are easy and worth it. Use it without any issues!

    This review is from SANDISK - Ultra 512GB USB 3.0 Flash Drive - Black

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

    SanDisk forever data

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

    Great convenience and speed. Never had one fail. Only brand to buy.

    This review is from SANDISK - Ultra 512GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend

  • Review

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

    Great. Nice price. I would recommenfnthis product to others.

    This review is from SANDISK - Ultra 512GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend

  • Best drive for the price

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

    Great price for the size. I ordered the drive on a sunday and was delivered by tuesday.

    This review is from SANDISK - Ultra 512GB USB 3.0 Flash Drive - Black

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

    scandisk

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

    I have had no problems with it. I will buy more in the future from Best Buy.

    This review is from SANDISK - Ultra 512GB USB 3.0 Flash Drive - Black

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

    BIG STORAGE FOR LITTLE DEVICE

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

    AWESOME BUY. TONS OF ROOM FOR STORING PICTURES AND VIDEOS

    This review is from SANDISK - Ultra 512GB USB 3.0 Flash Drive - Black

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

    New OS flash drive

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

    Easy and fast to use whit my removable OS the computer runs great no issues or errors.

    This review is from SANDISK - Ultra 512GB USB 3.0 Flash Drive - Black

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

    Flash Drive

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

    The SanDisk was the perfect flash drive for our needs!

    This review is from SANDISK - Ultra 512GB USB 3.0 Flash Drive - Black

    No, I would not recommend this to a friend
  • Pros mentioned:
    Storage capacity

    Good product

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

    Works as advertised, solid product, will purchase again

    This review is from SANDISK - Ultra 512GB USB 3.0 Flash Drive - Black

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

    Very well

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

    It is doing well. It holds everything I need to it.

    This review is from SANDISK - Ultra 512GB USB 3.0 Flash Drive - Black

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

    Good product

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

    The SanDisk products always work well for us. I recommend them.

    This review is from SANDISK - Ultra 512GB USB 3.0 Flash Drive - Black

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

    Excellent

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

    Works great. Highly recommend for storing data and documents

    This review is from SANDISK - Ultra 512GB USB 3.0 Flash Drive - Black

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

    memory stick

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

    Trabsfer of pictures was very easy and pretty fast

    This review is from SANDISK - Ultra 512GB USB 3.0 Flash Drive - Black

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

    Photo storage

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

    Have now got over 500 gigs for picture storage so am all set.

    This review is from SANDISK - Ultra 512GB USB 3.0 Flash Drive - Black

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

    Great Storage Space

    |
    |
    Posted . Owned for 1.5 years when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The flashdrive hold so much of the music that i love and want to keep. I can easily transfer my music onto another new laptop and keep them safe. I have over 1000 songs and still have plently of space.

    This review is from SANDISK - Ultra 512GB USB 3.0 Flash Drive - Black

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

    Works fast and well.

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

    Works fast and well. Stores your stuff. Buy it. Sandisk is the best.

    This review is from SANDISK - Ultra 512GB USB 3.0 Flash Drive - Black

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

    Best flash drive

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

    The flash drive does what it is supposed to do. A good buy

    This review is from SANDISK - Ultra 512GB USB 3.0 Flash Drive - Black

    I would recommend this to a friend
Page 45, Showing 881-900 of 1,318 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.