SanDisk Ultra Flair 128GB USB Flash Drive: full spec sheet and buying guide

Updated September 29, 2026 · Category: Computing · Content based on official specifications and public Amazon buyer ratings, not a hands-on test.

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The SanDisk Ultra Flair is one of the most-rated USB flash drives on Amazon, with more than 211,000 ratings: a simple, sturdy stick for moving files. At the time of writing it holds a 4.6/5 average from more than 211,037 Amazon ratings.

SanDisk Ultra Flair 128GB USB Flash Drive

★ 4.6/5 on Amazon

USB 3.0 speeds up to 150 MB/s read, a sleek durable metal casing and 128-bit AES password protection software.

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Ratings and prices are as shown on Amazon at the time this article was published and may have changed. Affiliate disclosure.

Speed

SanDisk lists up to 150 MB/s read speed on a USB 3.0 port, and writing up to 15 times faster than standard USB 2.0 drives. SanDisk says you can transfer a full-length movie in under 30 seconds on a USB 3.0 computer. Write speed is lower than read speed and varies by capacity.

Build and security

The metal casing is durable and slim. SanDisk SecureAccess software adds password protection with 128-bit AES encryption on Windows and Mac (a download is required for Mac).

Strengths based on its spec sheet

Very affordable and reliable
Up to 150 MB/s read
Durable metal casing
Password protection software

What to consider before buying

USB-A only, needs an adapter for USB-C laptops
Write speeds much lower than an SSD
Metal can get warm during long transfers

Want to compare this product with other computing options? Check out our computing buying guide.

Who is it ideal for?

Moving documents, school files, photos or installers between computers.

Who is it NOT the best option for?

If your laptop or phone only has USB-C, the Lexar D40E has both USB-A and USB-C; compare them in our computing buying guide.

Frequently asked questions

How fast is the SanDisk Ultra Flair?

Up to 150 MB/s read on a USB 3.0 port.

Does it work with USB-C laptops?

Not directly; it's USB-A, so you'd need an adapter.

Can I password-protect it?

Yes, with SanDisk SecureAccess software (128-bit AES).

Is the SanDisk Ultra Flair 128GB USB Flash Drive the right fit for you?

See current price on Amazon