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Tiny black USB flash drive with low-profile design

SanDisk

SanDisk Cruzer Ultra Fit 64 GB USB 3.1 flash drive

SKU CH-THN8-SN4WA

A compact 64 GB USB 3.1 flash drive with built-in encryption for secure portable storage

  • 64 GB capacity stores large media libraries
  • USB 3.0 and 3.1 Gen 1 interface delivers 5 Gbps transfer speed
  • Compact black design fits flush in laptop ports
  • Hardware encryption protects sensitive files
  • MPN SDCZ430-064G-A46 identifies the exact model

Compact encrypted storage

The SanDisk Cruzer Ultra Fit delivers 64 GB of portable capacity in a low-profile black casing that stays nearly flush with a USB port. Hardware-based encryption protects files without requiring extra software, making it suitable for professionals who move sensitive data between workstations.

USB 3.0 / 3.1 Gen 1 5 Gbps interface

The drive operates on the USB 3.0 and 3.1 Gen 1 standard at 5 Gbps, so transfer speed is limited by that bus rather than the flash memory itself. Systems with only USB 2.0 ports will fall back to much lower throughput, while newer USB 3.2 or USB4 hosts will not exceed the 5 Gbps ceiling.

Sustained write behaviour

During long sequential writes the controller throttles to manage heat inside the tiny form factor, so average throughput settles below the burst rate quoted for the interface. Users copying multi-gigabyte archives or disk images should expect a noticeable slowdown after the first few seconds of continuous activity.

How it compares

Measured against everything we stock in SD & MicroSD Memory Cards, at today’s prices. Recalculated every night.

Price $20.99
Cheaper than about 77% of the 1,947 comparable items (median $46.99).

Specifications

No published specifications for this item yet.

Questions about this item

What does the 64 GB capacity mean for everyday use?

It provides space for thousands of documents, photos or a few large video files on a drive that stays plugged into a laptop without protruding.

What does USB 3.0 / 3.1 Gen 1 5 Gbps cap in practice?

The interface limits maximum transfer speed to 5 Gbps, so real-world read and write rates will not exceed that ceiling.

How does the ultra-fit form factor affect installation?

The low-profile design sits almost flush with the USB port, allowing it to remain inserted in tight spaces such as car stereos or slim laptops.

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