SanDisk
SanDisk SDCZ48-128G-B5CT 128GB Ultra USB 3.0 5-Pack
★★★★★
USB 3.0USB 2.0
Five 128GB SanDisk Ultra USB 3.0 flash drives in one pack with read speeds up to 130MB/s and built-in file encryption.
$119.20*$119.99Save 0%
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*Price sourced from Amazon.com. Last updated:Jul 14, 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 (Transfer to drive up to 10 times 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 (2Password protection uses 128-bit AES encryption and is supported by Windows 7, Windows 8, Windows 10, and macOS v10.9+ (Software download required for Mac, visit the official SanDisk website for SecureAccess details)
5-year limited warranty (See official SanDisk website for more details regarding warranty in your region)
Specifications
Brand
SanDisk
Model
SDCZ48-128G-B5CT
Capacity
128GB per drive (5-pack)
Read Speed
Up to 130 MB/s
Interface
USB 3.0 (Type A)
Backward Compatibility
USB 2.0
Encryption
128-bit AES (SecureAccess software)
Dimensions
0.42 x 0.87 x 0.31 inches
Weight
0.32 ounces per drive
Flash Memory Type
USB
Color
Black
Manufacturer
Western Digital Technologies, Inc.
Warranty
5-year limited
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View on Amazon →Pros & Cons
👍 Pros
- Five-pack bundling provides significant per-drive savings over individual purchases
- 130MB/s read speed over USB 3.0 moves large files quickly
- 128-bit AES encryption protects sensitive files with password protection
- Compact, lightweight design at 0.32 ounces per drive is easy to carry or distribute
👎 Cons
- Write speeds are not specified with a precise MB/s figure, only described as 10x faster than USB 2.0
- SecureAccess encryption software requires a separate download on macOS
- No USB-C connector — requires an adapter for devices that only have USB-C ports
- The retractable slider mechanism can loosen over time with heavy use
Frequently Asked Questions
What read and write speeds can I expect from these drives?
The SanDisk Ultra delivers read speeds up to 130MB/s when connected to a USB 3.0 port. Write speeds are rated at up to 10x faster than USB 2.0, though actual performance varies by host device. A USB 3.0 port is required for maximum speed.
Do all five drives in the pack have the same storage capacity?
Yes, each of the five flash drives provides 128GB of storage, for a combined total of 640GB across the pack.
How does the password protection and encryption work?
The drives support 128-bit AES file encryption through SanDisk's SecureAccess software. On Windows 7 through 11 it is built in; on macOS v10.9 and later a software download from SanDisk's website is required.
Will these drives work in older USB 2.0 ports?
Yes, they are fully backward-compatible with USB 2.0 ports, though transfer speeds will be limited to USB 2.0 rates.
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