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Item#: 0BD-000B-004W6

SanDisk 256GB Ultra CZ48 USB 3.0 Flash Drive, Speed Up to 100MB/s

  • USB 3.0 flash drive that delivers high speeds
  • Includes SanDisk SecureAccess software for password protection and file encryption
  • Transfer up to 10 times faster than standard USB 2.0 drives

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Learn more about the SanDisk SDCZ48-256G-U46

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 5 years
  • Limited Warranty period (labor): 5 years
  • Read full details

Customer Reviews of the SanDisk SDCZ48-256G-U46

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  • Anonymous
  • 3/13/2016 4:45:05 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

1 out of 5 eggsWrite speed: 4.15 MB/s

This review is from: SanDisk 256GB Ultra CZ48 USB 3.0 Flash Drive, Speed Up to 100MB/s

Pros: there is really nothing positive about taht flash drive

Cons: -very very slow....
-low quall plastic

Did you find this review helpful? Yes No

  • Andrew M.
  • 3/2/2016 11:01:58 AM

5 out of 5 eggsGood Brand With Solid Construction

This review is from: SanDisk 256GB Ultra CZ48 USB 3.0 Flash Drive, Speed Up to 100MB/s

Pros: 5 Eggs for being well made and having pretty good Read speed.

See Other Thoughts below regarding the product description and performance.

Cons: Careful reading of Overview, Footnotes, and Specifications reveals limited claim of Write speed. If you just read the main description at the top of the page here you might think it's a fast all-round performer which it is not!

Why not give it a Lifetime warranty if it's such a good product?

Other Thoughts: Caveat emptor all over again. Careful reading of the footnotes reveals that Write speed is "up to" 10X that of a USB 2.0 drive (4.0MB/sec.). So, the maximum Write speed under perfect conditions and the most favorable measurement MAY reach 40MB/sec. In practice when you're Writing a mixture of videos, photos, music, documents, etc. you'll probably average between 4MB/sec. and 20MB/sec. You might transfer a single large video file (sequential Write) a bit faster. It may be fine for many users and may last for years, but it's NOT a true high-performance flash drive. For that, please look at the Sandisk Extreme and be prepared to spend more!

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  • Anonymous
  • 3/2/2016 3:44:07 AM
  • Ownership: 1 month to 1 year

1 out of 5 eggsSlow

This review is from: SanDisk 256GB Ultra CZ48 USB 3.0 Flash Drive, Speed Up to 100MB/s

Pros: It's still working

Cons: Very slow write. I am hugely disappointed.

Other Thoughts: I paid retail for it and it's a massive letdown when it can't keep up with the pny I got from staples on black Friday, but I needed it immediately.

0 out of 2 people found this review helpful. Did you? Yes No

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SanDisk > 
Item#: 0BD-000B-004W6
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