SanDisk SDCZ48-128G-GAM46 128GB Ultra USB 3.0 Flash Drive 2-Pack — main product image

SanDisk SDCZ48-128G-GAM46 128GB Ultra USB 3.0 Flash Drive 2-Pack

SanDisk

SanDisk SDCZ48-128G-GAM46 128GB Ultra USB 3.0 Flash Drive 2-Pack

Name: SanDisk SDCZ48-128G-GAM46 128GB Ultra USB 3.0 Flash Drive 2-Pack
Brand: SanDisk
SKU: SDCZ48-128G-GAM46

★★★★★4.7 (32963 reviews)

USB 3.0USB 2.0

Two 128GB USB 3.0 flash drives with read speeds up to 130MB/s — fast, portable, and ready to share.

$51.98*$59.82Save 13%

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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

The SanDisk SDCZ48-128G-GAM46 Ultra USB 3.0 Flash Drive 2-Pack provides a practical storage solution for anyone who regularly moves files between computers or needs quick, portable backups. Each drive holds 128GB and delivers read speeds up to 130MB/s when plugged into a USB 3.0 port — roughly 10 times faster than standard USB 2.0 drives. This speed advantage makes transferring high-resolution photos, documents, presentations, and media files a significantly quicker process.

Beyond raw speed, the drives include SanDisk's SecureAccess software, which creates a password-protected vault on the drive using 128-bit AES encryption. The retractable connector design keeps the USB plug protected when stowed in a bag or pocket, eliminating the perennial lost-cap problem. Full backward compatibility with USB 2.0 ensures the drives will work with older systems, though at reduced speeds. Sold as a two-pack, these drives are well suited for users who want one for daily use and another as a backup, or who simply need to share large files across multiple machines.

Key Features

The information below is per-pack only

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

Capacity

128GB per drive

Quantity

2-Pack

Interface

USB 3.0

Read Speed

Up to 130MB/s

Backward Compatibility

USB 2.0

Security

SecureAccess encryption and password protection

Model

SDCZ48-128G-GAM46

Pros & Cons

👍 Pros

Two-pack offers good value compared to buying individual drives
Up to 130MB/s read speed makes large file transfers significantly faster than USB 2.0
Retractable connector eliminates the need for a cap that can be lost
Built-in encryption software protects sensitive data with password protection

👎 Cons

Write speeds are considerably slower than the advertised read speeds
128GB per drive may feel limited for users working with large video files or backups
Requires a USB 3.0 port to achieve the maximum 130MB/s transfer speed
No keychain loop or lanyard attachment point for easy carrying

Frequently Asked Questions

What read speeds can I expect from these drives?

The SanDisk Ultra USB 3.0 drives deliver up to 130MB/s read speed when connected to a USB 3.0 port. Speeds will be slower on USB 2.0 connections.

Do both drives in the pack have the same capacity?

Yes, each drive in the 2-pack provides 128GB of storage, giving you 256GB total across both drives.

Will these drives work with USB 2.0 ports?

Yes, they are backward compatible with USB 2.0, though transfer speeds will be limited to USB 2.0 rates rather than the full 130MB/s.

What encryption software is included?

The drives support SanDisk's SecureAccess software, which lets you create a password-protected, 128-bit AES encrypted folder on the drive to safeguard sensitive files.

What is the physical form factor of these drives?

They feature a compact, retractable USB connector design that protects the plug when not in use without needing a cap.