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SanDisk 256GB Ultra CZ48 USB 3.0 Flash Drive, Speed Up to 100MB/s (SDCZ48-256G-U46)

Ships from United States. Most customers receive within 2-8 days.

Sold and Shipped by 3C Expert a-seller

Purchases from these Sellers are generally covered under our Newegg Marketplace Guarantee.
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  • 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): 2 years
  • Limited Warranty period (labor): 2 years
  • Read full details
Ownership: 1 week to 1 month
Verified Owner
5/ 5
Great product.

Pros: Great item. fast transfer speed and lots of storage. Fantastic price $

Cons: No light to indicate transferring happening or flash drive is connected ( working).

Other Thoughts: Would recommend to others

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Ownership: 1 day to 1 week
Verified Owner
5/ 5
Looks just like it should. Shipped fast and easy!

Pros: fast shipping

Cons: Nothing

Other Thoughts: Buy it, huuge memory.

Did you find this review helpful?
Ownership: more than 1 year
Verified Owner
5/ 5
ScanDisk 256GB USB 3.0 Flash Drive

Pros: (1) Holds a lot of data
(2) Is fairly fast when writing (saving data)
(3) The flash drive small size makes it very easy to take with me

Cons: None so far!

Other Thoughts: I have used this large capacity flash drive for over 6 months now, and it has worked flawlessly. I have used 90% of its data space, and there have been no issues, lost data, and it has worked on every computer I plugged it into, including USB 2.0 ports. I have owned many other flash drives, and they were all eventually too small!

1 out of 1 people found this review helpful. Did you?
Ownership: 1 week to 1 month
Verified Owner
5/ 5
Great flash drive!

Pros: I've always favored the SanDisk Cruzer drives. Never had any problems. This drive seems as fast as some of the more expensive counterparts that I've tried and the construction is very good.

Cons: No cons.

Did you find this review helpful?
Ownership: 1 month to 1 year
Verified Owner
2/ 5
Slow as molasis

Pros: Cheap

Cons: Very slow. When attempting to transfer large (10's of GB) files, it quickly slows down to about 10MB/s transfer speed. Using the same port & PC, my other large USB flash drive (a Corsair) transferring the same files sustains a speed of well over 100MB/s.

9 out of 9 people found this review helpful. Did you?
Ownership: 1 week to 1 month
Verified Owner
1/ 5
Very Slow

Pros: None. Well does look nice, but too light for a paperweight.

Cons: Very, very slow speed.

Other Thoughts: I would not purchase again or recommend. This by far the worst SanDisk product I have ever bought.

2 out of 3 people found this review helpful. Did you?
Ownership: 1 week to 1 month
Verified Owner
1/ 5
Write speed: 4.15 MB/s

Pros: there is really nothing positive about taht flash drive

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

7 out of 19 people found this review helpful. Did you?
5/ 5
Good Brand With Solid Construction

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!

14 out of 17 people found this review helpful. Did you?
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Condition Guidelines

The following guidelines apply to all product categories unless otherwise indicated within specific categories.

  • New : This means the product will ship as received by the manufacturer, sealed, with all advertised components, and with the manufacturer warranty.
  • Refurbished : This means the product was tested and repaired as required to meet the standards of the refurbisher, which may or may not be the original manufacturer. Any exceptions to the condition of the item outside the manufacturer’s information should be provided in the listing, up to and including warranty details.
  • Open Box : Newegg only guarantees your receipt of the Open Box product with the purchase of this item. Any accessories MAY OR MAY NOT be included. Newegg will NOT send you any missing accessories, even if it is required to use all of the item’s functions.Open Box items usually do not come with manufacturer or vendor warranty or technical support. However, warranty support may be available if an item was never registered by a previous owner. Please contact the manufacturer to check.
  • Used - Like New : This means that the product has been opened, possibly used but is in perfect condition with no signs of cosmetic or functional defect. Product may includes warranty, and accessories found with the original product. Product may or may not be in the original packaging. Returned items with minor packaging defects fall under this category.
  • Used - Very Good : This means that the product has been opened, may show slight signs of use and cosmetic blemish, and may be missing minor accessories, but remain in excellent condition. Product does not come with warranty unless stated otherwise in product description.
  • Used - Good : This means that the product has been used, may show clear signs of use and may be missing minor accessories, but remain in good condition. Product does not come with warranty unless stated otherwise in product description.
  • Used - Acceptable : This means that the product shows clear signs of use, cosmetic defect, and may be missing minor accessories and manual, but remain in working condition. Product does not come with warranty unless stated otherwise in product description. Functionality issues beyond signs of use should be disclosed in product description.
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