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Lexar D40E 256GB Dual USB 3.2 Gen 1 Type-C Jump Drive, Champagne Silver | USB-C Flash, Metal Housing, Swivel Design, Thumb Drive
Lexar

Lexar D40E 256GB Dual USB 3.2 Gen 1 Type-C Jump Drive

Bottom line: The Lexar D40E 256GB Dual USB 3.2 Gen 1 Type-C Jump Drive: Dual USB-A and USB-C connectors on one 256GB drive, no adapter needed; main trade-off: 100MB/s read spec trails USB 3.2 Gen 2 drives near 400MB/s.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For SSDs and PC storage upgrades, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ Dual USB-A and USB-C connectors on one 256GB drive, no adapter needed
  • ✓ 360-degree swivel switches connectors with no cap to lose
  • ✓ Up to 100MB/s transfers over USB 3.2 Gen 1 (Lexar internal testing)
  • ✓ 256-bit AES encryption software included for sensitive files
  • ✓ 26g metal housing at 70.4 x 16.9 x 11.7mm fits a keyring

Cons

  • ✗ 100MB/s read spec trails USB 3.2 Gen 2 drives near 400MB/s
  • ✗ Lexar does not publish a separate write-speed figure
  • ✗ Operating range stops at 50C (122F), limiting hot-car storage
  • ✗ Encryption relies on bundled software, not onboard hardware

Manufacturer description

The Lexar D40E 256GB Jump Drive solves the constant dongle problem by putting USB Type-A and USB-C connectors on one thumb drive. A 360-degree swivel rotates between the two ends, so you move files from a USB-C phone or MacBook to an older Type-A laptop without an adapter and without a cap to lose. Lexar rates transfer speeds up to 100MB/s over USB 3.2 Gen 1 based on internal testing, though real throughput depends on your host device and interface. The metal housing keeps the drive at 26g and 70.4 x 16.9 x 11.7mm, small enough for a keyring or laptop bag, and it operates from 0 to 50…

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SpecPicks Verdict

SpecPicks scored Lexar D40E 256GB Dual USB 3.2 Gen 1 Type-C Jump Drive using a rating × review-volume × price-fit model applied to published specs and reviews across the ssds & storage category. Lexar's ssds & storage lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for ssds & storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

Does the Lexar D40E work with my iPhone or Android phone?

It works with USB Type-C smartphones and tablets as plug-and-play OTG storage, no software install required. iPhone models with a USB-C port use the Type-C end; older Lightning iPhones are not supported.

How fast is the Lexar D40E 256GB?

Lexar rates it at up to 100MB/s over USB 3.2 Gen 1, based on internal testing. Actual speed varies with your host device, port, and file sizes, and Lexar does not publish a separate write-speed number.

What warranty does Lexar include with the D40E?

The D40E is backed by a Lexar 3-year limited warranty. Check the product listing for current terms and regional coverage before purchase.

Can I password-protect files on this flash drive?

Yes. Lexar includes security software that protects files with 256-bit AES encryption. It is a software solution bundled with the drive rather than onboard hardware encryption.

Is the D40E durable enough for a keychain?

It uses a metal enclosure, weighs 26g, and measures 70.4 x 16.9 x 11.7mm. The 360-degree swivel covers each connector, so there is no cap to lose, and it operates from 0 to 50 degrees C (32 to 122 F).

Key Features

  • USB-C 2-in-1 storage OTG: The Lexar JumpDrive Dual Drive D40E features USB Type-A and Type-C connectors in a slim, portable form factor for easy device compatibility
  • Transfer speeds up to 100MB/s: Based on internal testing, performance may vary depending upon the host device, interface, and usage conditions. 1MB=1,000,000 bytes
  • Plug and Play: Widely compatible with USB Type-C smartphones, tablets, laptops, Macs, and traditional Type-A devices, no software installation required. The 360° swivel design allows for easy switching between connectors without the hassle of losing a cap
  • Durable & Compact: The Lexar D40E USB memory stick features a metal enclosure, withstands temperatures from 0° to 50° C (32°F to 122°F), and is lightweight at 26g with dimensions of 70.4 x 16.9 x 11.7mm
  • Security & Warranty: Securely protects files using an advanced security software solution with 256-bit AES encryption. Backed by a Lexar 3-year limited warranty

Full Specifications

BrandLexar
ColorChampagne Silver
Weight26g
Dimensions70.4 x 16.9 x 11.7mm
Model NameD40E
Read Speed100 megabytes_per_second
Unit Count1 Count
Write Speed80
ConnectivityUSB-C
Model NumberD40E
Item Type NameUSB Flash Drive
Mfr Part NumberLJDD40E256G-BNSNG
Special FeatureDual USB Connectors
Flash Memory TypeUSB
Compatible DevicesLaptop, Mac, PC, Smartphone, Tablet
Hardware InterfaceUSB 3.2 Gen 1
Additional FeaturesDual USB Connectors
Security & WarrantySecurely protects files using an advanced security software solution with 256-bit AES encryption. Backed by a Lexar 3-year limited warranty
Warranty DescriptionBacked by a Lexar 3-year limited warranty.
Compatible Phone ModelsUSB Type-C smartphones
Full listing titleLexar D40E 256GB Dual USB 3.2 Gen 1 Type-C Jump Drive, Champagne Silver | USB-C Flash, Metal Housing, Swivel Design, Thumb Drive

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Lexar D40E 256GB Dual USB 3.2 Gen 1 Type-C Jump Drive, Champagne Silver | USB-C Flash, Metal Housing, Swivel Design, Thumb Drive is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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Lexar D40E 256GB Dual USB 3.2 Gen 1 Type-C Jump Drive, Champagne Silver | USB-C Flash, Metal Housing, Swivel Design, Thumb Drive
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