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Item#: 9SIA4641F40268

SanDisk Ultra Backup 32GB Flash Drive (USB2.0 Portable) AES Encryption Model SDCZ40-032G-A46

  • 5 years limited
  • Model SDCZ40-032G-A46
  • 32GB
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Learn more about the SanDisk SDCZ40-032G-A46


Ultra Backup

Tech Spec

USB Specification
USB 2.0
AES Encryption
73.66 x 22.86 x 10.16mm
Simple - Back up at the touch of a button - no cables or software installation needed

Portable - Just put it in your pocket and protect your files wherever you are

Secure - Protect your data with password protection and AES hardware encryption

Backed by the minds behind flash memory - with our unique pending backup technology

Manufacturer Warranty

5 years limited
5 years limited

Quick Info


  • Limited Warranty period (parts): 5 years
  • Limited Warranty period (labor): 5 years

Customer Reviews of the SanDisk SDCZ40-032G-A46

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  • William L.
  • 10/13/2011 2:02:11 AM
  • Tech Level: Average
  • Ownership: more than 1 year

3 out of 5 eggsIt does the job

Pros: Backup button makes the process easy once setup. A lot of storage space. U3 tool makes the restore of the files easy.

Cons: The auto backup feature only works with the computer the backup first took place on. I was never able to backup or restore the files from one computer to another. Always had to manually restore the files onto my laptop when backed up from my desktop.

Other Thoughts: Sandisk no longer supports this model. The U3 tool used to be nice when Sandisk let you download applications for it. It was a great idea, just not a complete one. Unless you only have one computer, save your money and get a standard 32 gb flash drive.

Did you find this review helpful? Yes No

  • BRIAN L.
  • 9/23/2011 8:44:52 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggsWin 7 issues

Pros: Great storage capacity, easy to setup encryption, works well with WinXP. Mediocre speed.

Cons: Encryption does NOT work with Win7. Unfortunately for me, I encrypted on a WinXP machine, upgraded to Win7, and apparently it's a known problem that encryption doesn't work with Win7. The one-touch backup doesn't work on this drive OR on my older 4GB version - I don't need that feature, but it should still work.

Other Thoughts: The flash drive does work, without encryption, on any machine I've tried, it's just the encryption that doesn't work. Encryption is the reason I purchased, and paid more for this drive, so to me, it's almost worthless now. Sure, I could waste a few hours following all the steps to get it to work (find an XP machine, remove encryption, backup contents, uninstall U3 software, reinstall, etc. But I didn't pay for that.

1 out of 1 people found this review helpful. Did you? Yes No

  • Curt P.
  • 10/28/2010 9:09:26 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year

3 out of 5 eggs

Pros: cool drive, though no longer U3, i installed portableapps with no prob. I very much like the Backup button, but just make sure you don't wipe the software for that without backing up first.

Cons: it is NOT hardware encryption as advertised!!! I kind of already figured that out before buying, but just wanted to give you noobs the heads up ;)

3 out of 4 people found this review helpful. Did you? Yes No

  • Sejun K.
  • 10/30/2009 11:58:50 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsCompatibility issues

Pros: 1. Enough space for storing data and media files as well.
2. Sliding usb port is stable. No need to worry about losing the cap.

Cons: U3 launchers don't work with Win7. Compatibility mode doesn't work as well. Failed to load U3 launcher. And of course, "backup" button is useless.

Other Thoughts: Writing speed is around 800KB~1MB/s and it is quite slow compared with portable HDDs.

7 out of 9 people found this review helpful. Did you? Yes No

  • Anonymous
  • 5/15/2009 10:14:37 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGood drive

Pros: Enough room to back up my files and use it to transfer them to my new computer.

Cons: none

Other Thoughts: none

3 out of 14 people found this review helpful. Did you? Yes No

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Home > 
Computer Hardware > 
Flash Memory & Readers > 
USB Flash Drives > 
SanDisk > 
Item#: 9SIA4641F40268
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