Brands Guides About
SanDisk SDCZ800-128G-A46 Extreme Go USB 3.1 Flash Drive - 128GB — main product image
SanDisk SDCZ800-128G-A46 Extreme Go USB 3.1 Flash Drive - 128GB
SanDisk SDCZ800-128G-A46 Extreme Go USB 3.1 Flash Drive - 128GB
SanDisk SDCZ800-128G-A46 Extreme Go USB 3.1 Flash Drive - 128GB
SanDisk

SanDisk SDCZ800-128G-A46 Extreme Go USB 3.1 Flash Drive - 128GB

★★★★★4.9 (10 reviews)
USB 3.1

SanDisk's Extreme Go flash drive delivers USB 3.1 speed and 128GB capacity in a retractable, pocket-friendly design.

Check availability
Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

The SanDisk Extreme Go SDCZ800-128G-A46 is a 128GB USB 3.1 flash drive built for users who need fast, reliable file transfers in a compact form factor. The USB 3.1 interface delivers a meaningful speed advantage over older USB standards, making it well-suited for transferring large photo libraries, video files, software installers, or backup archives without long wait times. Backward compatibility with USB 3.0 and 2.0 ports ensures the drive works with virtually any computer, though maximum speeds are only achieved on USB 3.1-capable ports.

The retractable connector design is a practical touch — the USB plug slides into the body of the drive when not in use, protecting it from damage in a bag or pocket without relying on a removable cap. SanDisk includes its SecureAccess software, which allows users to create an encrypted, password-protected vault on the drive for sensitive files using 128-bit AES encryption. At 128GB, the Extreme Go provides enough storage to carry a substantial working file library, making it a dependable everyday tool for professionals, students, or anyone who needs portable storage that keeps pace with modern file sizes.

Key Features

High-speed performance

Retractable design

USB 3.1 enabled, yet backward-compatible

Sandisk secure access software protects your privacy

Specifications

Brand
SanDisk
Model
SDCZ800-128G-A46
Capacity
128 GB
Interface
USB 3.1
Backward Compatibility
USB 3.0, USB 2.0
Connector Design
Retractable
Security Software
SanDisk SecureAccess (128-bit AES)
Color
Black

Pros & Cons

👍 Pros

  • USB 3.1 interface provides fast file transfer speeds for large documents, photos, and videos
  • 128GB capacity offers ample room for a large file library in a single portable drive
  • Retractable connector design protects the USB plug without a loose cap to misplace
  • Included SanDisk SecureAccess software adds password-protected encryption at no extra cost

👎 Cons

  • No USB-C connector — only USB Type-A, which requires an adapter for newer laptops and tablets with USB-C-only ports
  • Plastic housing is lightweight but may not withstand heavy drops or crushing as well as metal-bodied drives
  • Transfer speeds will drop significantly when plugged into older USB 2.0 ports
  • No keychain hole or lanyard attachment point visible in the retractable design

Frequently Asked Questions

The Extreme Go uses USB 3.1, which offers significantly faster transfer speeds than USB 2.0 — typically moving large files in a fraction of the time. Exact speeds depend on your computer's USB port and the files being transferred.
Yes, it is backward compatible with USB 2.0 and USB 3.0 ports. However, transfer speeds will be limited to the maximum capability of the older port standard.
SecureAccess is included software that lets you create a password-protected, encrypted folder on the flash drive. Files stored in this folder are secured with 128-bit AES encryption, keeping sensitive data private if the drive is lost.
No, the USB connector slides in and out of the housing with a built-in retractable mechanism, eliminating the need for a separate cap that could be lost.
Yes, it works with both Windows and Mac systems. It comes formatted in a Windows-compatible format, but can be reformatted for Mac if needed, or used as-is for cross-platform compatibility.

Related Products