
Lexar
The Lexar JumpDrive Dual Drive D40E 128GB is a metal‑cased USB flash drive featuring dual USB‑A and USB‑C connectors with a 360° swivel design. It offers up to 100 MB/s read speed, 256‑bit AES encryption, and a 3‑year warranty, targeting users who need versatile, durable portable storage.
Pros
Cons
Current
$27.98
Average
$18.10
Lowest
$14.99
Highest
$27.98
Lower = better sales rank
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From Expert Reviews
Praised by Experts
From User Reviews
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Users Complain About
Best For
Students, professionals, photographers, and frequent travelers who need a compact, durable USB drive that works with both USB‑A and USB‑C devices, and who value built‑in encryption for sensitive files. Ideal for transferring 4K videos, backing up phone photos, carrying presentations, and securing documents.
Not Ideal For
Users who require the highest possible transfer speeds (e.g., large‑scale video editing), those relying heavily on older USB 2.0 ports, Android users needing guaranteed OTG compatibility, or anyone expecting an included keyring.
Expert Opinion
Professional reviewers and editors label the D40E as a reliable, no‑frills dual‑drive that stands out for its metal construction and consistent 100 MB/s read performance. They highlight the swivel mechanism as a durability advantage over sliding or cap‑based designs and note that the inclusion of encryption software adds value in its price segment.
What Users Say
Everyday users praise the drive for seamless cross‑device compatibility, especially with iPhone, MacBook, and Windows PCs, and appreciate the sturdy metal body and swivel design. Common praise centers on its ability to handle 4K video transfers and usefulness for school or work. Recurring complaints focus on slower-than‑advertised write speeds, a clunky encryption setup, and occasional OTG recognition issues on Android devices.
Common Complaints
Write speed often falls short of the advertised 80 MB/s, especially with large files; Lexar DataShield encryption software is considered clunky and difficult to install; occasional incompatibility with Android OTG connections.
How It Compares
vs. SanDisk Ultra Dual Drive Go 128GB
Advantages
Disadvantages
Choose SanDisk if you need faster reads and can forgo encryption and a metal build.
vs. Samsung BAR Plus 128GB
Advantages
Disadvantages
Select Samsung for top speed and durability when you only need USB‑A connectivity.
vs. Lexar D50E 128GB
Advantages
Disadvantages
Opt for the D50E if maximum performance justifies the extra cost; otherwise D40E offers a more affordable balance.

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