Fast transfers
The USB 3.2 interface delivers read speeds up to 150 MB/s, so moving large files takes seconds, not minutes.
- Free shipping
- 14-day easy returns
- Secure checkout
- Quality guaranteed
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Why customers love it
Fast, secure storage that travels with you
The Lexar M400 USB 3.2 Flash Drive delivers quick, dependable file transfers in a sleek metal body—perfect for work, school, or everyday carry.
- Read speeds up to 150 MB/s for quick file transfers
- Capacities from 32GB to 256GB to fit your storage needs
- Premium metal casing protects data during daily use and travel
- Plug-and-play—no additional drivers required
- Encryption support helps keep sensitive files secure
- Backward compatible with USB 3.0 and USB 2.0 ports
Why you'll love it
Built to last
A premium metal casing shields your data from the bumps and knocks of daily use and travel.
Keep files private
Encryption support helps protect sensitive documents, giving you peace of mind on the go.
True plug-and-play
No drivers or setup needed—just plug in and start transferring files immediately.
Setup
Getting started
No electrician, no wiring, no fuss.
-
Plug in
Insert the drive into any USB 3.2, USB 3.0, or USB 2.0 port on your computer or device.
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Transfer
Drag and drop files to or from the drive—read speeds reach up to 150 MB/s for fast copying.
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Go
Once your files are saved, unplug the drive and take your data anywhere.
Specs
The details that matter
Built to last outdoors, season after season.
- Interface
- USB 3.2
- Read Speed
- Up to 150 MB/s
- Capacity
- 32GB, 64GB, 128GB, 256GB
- Material
- Metal casing
- Compatibility
- Backward compatible with USB 3.0 and USB 2.0
Comparison
Why choose the Lexar M400
Not all products in this category are built the same.
Feature
SmartPicksWorld
Typical alternative
Read speed
Up to 150 MB/s
20–30 MB/s on typical USB 2.0 drives
Capacity options
Up to 256GB
Commonly 32GB or 64GB
Casing
Premium metal
Plastic on many competitors
Our worry-free shopping promise
If your order arrives damaged, defective, or not as described, contact us within 14 days and we will make it right with a replacement or refund.
Frequently asked questions
Everything you might want to know before you order.
How fast is the Lexar M400 flash drive?
The Lexar M400 uses a USB 3.2 interface to deliver read speeds up to 150 MB/s, making file transfers quick and efficient.
What storage capacities are available?
The drive is available in 32GB, 64GB, 128GB, and 256GB capacities, so you can choose the size that fits your storage needs.
Does the drive work with older USB ports?
Yes, the Lexar M400 is backward compatible with USB 3.0 and USB 2.0 ports, so it works with a wide range of devices.
Do I need to install drivers to use it?
No, the drive is plug-and-play—no additional drivers are required. Just plug it in and start transferring files.
Is my data protected during travel?
The premium metal casing helps protect your data during daily use and travel, and encryption support adds an extra layer of security for sensitive files.
Shipping & returns
Shipping
- Delivers to United States (based on your selected country/region).
- Estimated delivery: 3–15 business days after dispatch.
- Shipping cost: Free.
Returns
You can request a return within 14 days after delivery. Standard returns have a €4.00 EUR (approximately $4.66 USD) flat-rate return shipping fee, deducted from your refund. Return shipping is free for items that arrived damaged, defective, or incorrect. Items should be unused and in original packaging where possible. Contact us before sending anything back.