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Lexar D40E 128GB Dual USB-C/USB-A 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 Lexar D40E is a 2-in-1 flash drive with both USB-C and USB-A connectors, handy for moving files between a phone, a new laptop and an older PC. At the time of writing it holds a 4.3/5 average from more than 10,975 Amazon ratings.

Lexar D40E 128GB Dual USB-C/USB-A Drive
★ 4.3/5 on Amazon

USB-C and USB-A in one drive with a 360° swivel, up to 100 MB/s, a metal body, 256-bit AES security software and a 3-year warranty.

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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.

Two connectors

Lexar lists USB Type-A and Type-C connectors in a slim body with a 360° swivel, so there's no cap to lose. It works with USB-C phones, tablets, laptops and Macs, plus older USB-A computers, with no software needed.

Speed and build

Transfers reach up to 100 MB/s, depending on the device. It has a metal enclosure, weighs 26 g and is rated for 0 to 50 °C. Security software with 256-bit AES encryption protects private files, and Lexar backs it with a 3-year limited warranty.

Strengths based on its spec sheet

  • USB-C and USB-A in one
  • Swivel design, no cap to lose
  • 256-bit AES security software
  • 3-year warranty

What to consider before buying

  • Up to 100 MB/s, slower than the SanDisk Ultra Flair's reads
  • Lower 4.3 average rating
  • Not as fast as a portable SSD

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

Who is it ideal for?

Moving photos and files between a USB-C phone or laptop and older USB-A computers.

Who is it NOT the best option for?

For large video files, a portable SSD such as the SanDisk Extreme is far faster; see our computing buying guide.

Frequently asked questions

Does the Lexar D40E work with iPhone?

It works with USB-C devices, including USB-C iPhones, subject to the phone's file support.

How fast is it?

Up to 100 MB/s, depending on the host device.

What warranty does it have?

A 3-year limited warranty from Lexar.

Lexar D40E 128GB Dual USB-C/USB-A Drive

Is the Lexar D40E 128GB Dual USB-C/USB-A Drive the right fit for you?

See current price on Amazon