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SanDisk USB-C Flash Drive (CZB Series) (256GB)

Data Transfer, Mobile Storage, Photo Backup, Everyday Carry, USB-C Device Workflow

Overview

The SanDisk CZB Series USB-C Flash Drive is a compact, reversible USB-C thumb drive launched in July 2026 for users moving files between modern USB-C-only laptops, tablets, and phones. It delivers up to 250MB/s read speeds over USB 3.2 Gen 1, with a thumb-sized black casing and built-in keyring hole for everyday carry. Available in 64GB, 128GB, and 256GB capacities, it works out of the box with Windows 10/11 and macOS Monterey or newer, with an optional SanDisk app for managing and backing up files.

Key Highlights

  • Reversible USB-C connector plugs into modern USB-C laptops, tablets, and phones in either direction — no flipping, no adapters
  • Up to 250MB/s sequential read speeds over USB 3.2 Gen 1 (5Gbps) — quick document, photo, and media transfers
  • Thumb-sized black casing with built-in keyring hole to latch onto keys or a bag
  • 256GB model stores up to 60,000 high-res photos; also available in 64GB and 128GB
  • Backed by 3-year limited warranty and compatible with Windows 10/11 and macOS Monterey (12) or newer, with optional SanDisk app for file backup

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Technical Specifications

Brand SanDisk
Model SanDisk USB-C Flash Drive (CZB Series) (256GB)
Interface USB 3.2 Gen 1 (5 Gbps)
Storage 256GB USB 3.2 Gen 1 Flash Storage — also available in 64GB and 128GB
Dimensions 49.3 x 20.6 x 11.7 mm