
SanDisk
SanDisk SDCZ48-032G 32GB Ultra USB 3.0 Flash Drive
★★★★★
USB 3.0USB 2.0
The SanDisk Ultra 32GB USB 3.0 flash drive delivers read speeds up to 130MB/s with built-in password protection for secure file transfer.
$22.99*
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✓ In Stock on Amazon.com
*Price sourced from Amazon.com. Last updated:Jun 20, 2026.Price and availability are subject to change.
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Overview
Key Features
Transfer speeds up to 10x faster than standard USB 2.0 drives (4MB/s); up to 130MB/s read speed; USB 3.0 port required. Based on internal testing; performance may be lower depending upon host device. 1MB=1,000,000 bytes
Backward compatible with USB 2.0
Secure file encryption and password protection(2)
Specifications
Brand
SanDisk
Model
SDCZ48-032G-GAM46
Capacity
32GB
USB Standard
USB 3.0
Read Speed
Up to 130MB/s
Backward Compatibility
USB 2.0
Security
Password protection and 128-bit AES file encryption
Color
Black
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Check on Amazon →Pros & Cons
👍 Pros
- Read speeds up to 130MB/s make transferring large files noticeably faster than USB 2.0 alternatives.
- Built-in password protection and 128-bit AES encryption secure sensitive files stored on the drive.
- Backward compatible with USB 2.0, ensuring it works with virtually any computer regardless of age.
- Compact, capless retractable design eliminates the risk of losing a cap and fits easily in a pocket or bag.
👎 Cons
- 32GB capacity fills up quickly for users working with large video files, disk images, or extensive photo libraries.
- Write speeds are not specified and are typically slower than the advertised 130MB/s read speed.
- The retractable slider mechanism can wear out over time with heavy daily use.
- No USB-C connector means users with newer laptops may need an adapter or dongle.
Frequently Asked Questions
How fast can the SanDisk Ultra 32GB USB 3.0 flash drive transfer files?
It delivers read speeds up to 130MB/s when connected to a USB 3.0 port, which is up to 10 times faster than standard USB 2.0 drives.
Will this flash drive work with older USB 2.0 ports?
Yes, the SanDisk Ultra is fully backward compatible with USB 2.0 ports, though transfer speeds will be limited to USB 2.0 rates.
Does the SanDisk Ultra include any security features?
Yes, it includes SanDisk SecureAccess software that lets you set a password and encrypt private files stored on the drive using 128-bit AES encryption.
What is the physical design of this flash drive?
The SanDisk Ultra features a compact black design with a retractable USB connector, so there is no cap to lose.