SanDisk
SanDisk SDCZ48-032G-A46 32GB Ultra USB 3.0 Flash Drive
USB 3.0USB 2.0
Compact 32GB USB 3.0 flash drive with read speeds up to 100MB/s and built-in encryption software.
$17.25*$41.41Save 58%
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*Price sourced from Amazon.com. Last updated:Aug 28, 2026.Price and availability are subject to change — details.
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Overview
Key Features
Transfer files up to 10x faster than standard USB 2.0
Transfer a full-length movie in less than 40 seconds
Fast performance speeds (up to 100MB/s read)
USB 3.0-enabled (USB 2.0 compatible)
SanDisk SecureAccess software protects private files with a personal password and automatic 128-bit AES encryption
Protects Private Files With Sandisk Secureaccess(tm) Software
Password Protection Uses 128-bit Aes Encryption & Is Supported By Windows(r) Xp, Vista(r), 7, 8 & Mac(r) Os X V10.5+
Usb 3.0-enabled & Usb 2.0-compatible Read Speeds Up To 80mbs
32gb
Specifications
Brand
SanDisk
Model
SDCZ48-032G-A46
Capacity
32GB
Interface
USB 3.0 (USB 2.0 Compatible)
Read Speed
Up to 100MB/s
Encryption
128-bit AES (via SanDisk SecureAccess)
Color
Black
OS Compatibility
Windows XP / Vista / 7 / 8, Mac OS X v10.5+
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Check on Amazon →Frequently Asked Questions
What read speed can I expect from the SanDisk Ultra 32GB USB 3.0 flash drive?
The drive delivers read speeds up to 100MB/s when connected to a USB 3.0 port, which is up to 10x faster than standard USB 2.0 drives.
Is this flash drive compatible with USB 2.0 ports?
Yes, the SDCZ48-032G-A46 is fully backward compatible with USB 2.0 ports, though transfer speeds will be limited to USB 2.0 rates.
What is SanDisk SecureAccess software?
SecureAccess is included software that lets you password-protect private files on the drive using 128-bit AES encryption. It is supported on Windows XP through Windows 8 and Mac OS X v10.5 and later.
How much usable storage does the 32GB model actually provide?
As with all flash storage, formatted capacity is less than advertised. You can expect roughly 28–29GB of usable space after formatting.
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