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SanDisk Ultra Fit 64GB USB 3.1 flash drive, compact low-profile black design

SanDisk

SanDisk SDCZ430-064G-A46 64GB USB flash drive

SKU CH-4RXS-JBREJ MPN SDCZ430-064G-A46

Compact 64 GB USB 3.1 drive moves a full-length movie up to 15× faster than USB 2.0

  • Move files up to 15× faster than USB 2.0
  • Compact design stays plugged in without blocking adjacent ports
  • 64 GB capacity adds ample space for media and documents
  • USB 3.1 interface enables high-speed transfers on compatible devices
  • Plug-and-play simplicity works instantly with no software required

Ultra Fit USB 3.1 flash drive

The SanDisk Ultra Fit USB 3.1 flash drive provides 64GB of compact storage for laptops, desktops and car stereos. Its low-profile design stays nearly flush with the port, making it suited for users who want permanent extra capacity without a protruding stick.

Transfer speed and heat

The drive moves data up to 15 times faster than standard USB 2.0 drives, reducing wait times for large file transfers. USB 3.1 interface keeps power draw low during normal operation, while the small metal casing dissipates heat without audible noise.

Build and daily use

A durable plastic body with a sliding collar protects the USB connector when not in use. The tiny form factor allows it to remain inserted in tight spaces such as ultrabook sides or vehicle media ports without blocking adjacent sockets or risking physical damage.

Highlights

  • Move files up to 15× faster than USB 2.0
  • Compact design stays plugged in without blocking adjacent ports
  • 64 GB capacity adds ample space for media and documents
  • USB 3.1 interface enables high-speed transfers on compatible devices
  • Plug-and-play simplicity works instantly with no software required

Specifications

BrandSanDisk
Shipping weight0.05 kg
Package size152 × 102 × 3 mm

Questions about this item

How do I install the SanDisk Ultra Fit USB 3.1 Flash Drive and what common mistake should I avoid?

Insert the drive directly into a USB 3.1 port; the step users miss is confirming the port is 3.1 rather than 2.0, otherwise transfer speeds drop to the 2.0 level instead of the advertised 15x improvement.

What maintenance or replacement will the 64GB Ultra Fit drive need over time?

No scheduled maintenance is required; the solid-state memory has no moving parts, so replacement only becomes necessary if the drive suffers physical damage or reaches its write-cycle endurance limit after very heavy use.

What is the first performance limit I will hit during sustained large-file transfers on this drive?

The USB 3.1 interface and controller set the ceiling; once the internal buffer fills, write speeds settle to the drive’s steady-state rate, which is lower than the initial burst used for the 15x comparison.

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