SanDisk 64GB Ultra USB 3.0 Flash Drive

Last updated date: February 16, 2021

DWYM Score

9.4

SanDisk 64GB Ultra USB 3.0 Flash Drive

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We looked at the top USB Flash Drives and dug through the reviews from some of the most popular review sites. Through this analysis, we've determined the best USB Flash Drive you should buy.

Update as September 7, 2021:
Checkout The Best USB Flash Drive for a detailed review of all the top usb flash drives.

Overall Take

Featuring 128-bit AES encryption and secure passwords, this USB flash drive lets you transfer files quickly and keep them safe. With read speeds up to 100MB/s, it also comes with a download of data recovery software.


In our analysis, the SanDisk SanDisk 64GB Ultra USB 3.0 Flash Drive placed 7th when we looked at the top 17 products in the category. For the full ranking, see below.

From The Manufacturer

Step up to high-speed USB 3.0 and transfer your videos, photos and files up to 10X faster than standard USB 2.0 drives (1). From a global leader in flash memory technology, the SanDisk Ultra USB 3.0 Flash Drive takes the wait out of moving, sharing or backing up big files—now you can transfer a full-length movie in less than 40 seconds (2). The included SanDisk SecureAccess software (4) provides 128-bit AES encryption and password protection to keep your private files private.

Expert Reviews

User Summarized Score

9.4
41,897 user reviews

What experts liked

What experts didn't like

An Overview On USB Flash Drives

USB flash drives are ubiquitous and versatile, providing either semi-permanent extra storage or an easy way to move files between devices.

When buying USB flash drives, the first consideration is how much memory to purchase: Look to get a bit more than you think you’ll need. It’s better to buy a 16-gigabyte drive straight off than to buy an 8 gigabyte one and end up needing a second.

Another consideration is durability. Given how small USB flash drives are, they are often fragile. Look for USB drives made from materials like aluminum, or flash drives rated against water, shock and magnets.

Also consider security. Many flash drives come with encryption and password-protection, which can be an easy and cheap investment to protect your data.

Finally, while low-profile tiny drives can be an attractive option, especially as semi-permanent additional storage for a desktop or laptop, consider physically larger thumb drives or thumb drives made to be attached to a keychain.

USB flash drives are easily and commonly lost, so a way to keep track of it or attach it to your person can help prevent the unfortunate loss of treasured photographs or important files. If you plan to attach a drive to a keychain, make sure it’s waterproof. Lost USB drives are also a good reason for encryption and password protection.

The USB Flash Drive Buying Guide

  • Check the USB version of both the drive and of the devices to which you plan to connect it. The most recent standard, as of 2019, is USB 4, which requires USB-C connectors. However, many common devices today still use USB 3.1 or 3.0.
  • USB 3.0 and 3.1 devices are backward-compatible in that they will work with USB 2.0 and lower standards, but you won’t get the same speed as with modern devices. If your read and write speeds are low, this is likely the reason.
  • Think carefully before labeling your flash drives. On the one hand, it can help tell similar drives apart or remind you what you stored where. On the other hand, it can be a security risk.