SanDisk Ultra 256GB USB 3.0 Flash Drive

Overview

The SanDisk SDCZ48-256G-A46 is a 256GB USB flash drive designed to simplify storing and transferring large files. It connects through a USB-A port and supports USB 3.0, 3.1, and 3.2 Gen 1 interfaces, delivering read speeds up to 130 MB/s and write speeds up to 40 MB/s. This combination makes it well suited for moving HD videos, presentations, and extensive media libraries quickly and reliably.

Its retractable connector protects the USB plug without the need for a separate cap, enhancing portability and convenience. The included SanDisk SecureAccess software provides password-protected folders with 128-bit AES encryption, adding security for sensitive data without requiring internet access. Compatible with a wide range of operating systems, this flash drive fits well in home, office, and mobile environments.

Key features

• High-capacity 256GB storage for large files and backups
• Fast data transfer speeds with USB 3.0, 3.1, and 3.2 Gen 1 support
• Retractable USB-A connector that protects the port and enhances portability
• SanDisk SecureAccess software enables password-protected folders with 128-bit AES encryption
• Works seamlessly across multiple operating systems without needing internet access
• Compact design that fits easily into pockets, bags, or laptop cases

Key specs

• Storage capacity: 256GB
• Interface: USB 3.0, 3.1, and 3.2 Gen 1 compatible
• Read speed: up to 130 MB/s
• Write speed: up to 40 MB/s
• Connector type: USB-A retractable
• Encryption: 128-bit AES via SanDisk SecureAccess

Connectivity and compatibility

This flash drive connects through a standard USB-A port, making it compatible with most laptops, desktops, and other devices that support USB 3.0 or earlier versions. Its backward compatibility ensures it works with older USB 2.0 ports, though at reduced speeds. The drive’s broad operating system support means it can be used with Windows, macOS, and other common platforms without additional drivers or software installation.

Ideal uses and environments

This SanDisk flash drive is a strong choice for professionals and students who need reliable, portable storage for large files such as videos, presentations, and extensive document collections. It fits well in workflows that require frequent file sharing, secure data transport, or quick backups. Its security features also make it suitable for users who handle sensitive information and want to protect their data without relying on cloud services.