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Tiny black USB flash drive with a low-profile design

SanDisk

SanDisk Ultra Fit USB 3.1 64GB Black SDCZ430-064G-G46

SKU CH-033B-FJFJS

A compact 64 GB USB 3.1 flash drive delivering 130 MB/s read speeds in a low-profile black design

  • 64 GB capacity stores thousands of photos and documents
  • USB 3.1 interface delivers up to 130 MB/s read speeds
  • Ultra-compact Ultra Fit design stays flush with laptop ports
  • Black finish resists visible scratches and fingerprints
  • New condition ensures full performance and reliability out of the box

64 GB USB 3.1 ultra-compact drive

The SanDisk Ultra Fit is a 64 GB USB 3.1 flash drive in a low-profile black housing. It is designed for users who need portable storage that remains almost flush with a laptop or desktop port. The tiny form factor suits travel, permanent expansion or discrete backup.

Replacing larger USB 2.0 sticks

This drive upgrades from bulkier USB 2.0 models that protrude from the port and transfer data more slowly. The jump is worthwhile when you frequently move multi-gigabyte files between devices and want a drive that does not catch on bags or block adjacent ports.

Limited by USB 3.1 Gen 1 bandwidth

The USB 3.1 interface caps sequential read speed at 130 MB/s, so large transfers take longer than on USB 3.2 or USB4 devices. Write speeds are lower and vary with file type and host controller. The small metal body can become warm during sustained activity.

How it compares

Measured against everything we stock in USB Thumb Drives, at today’s prices. Recalculated every night.

Price $23.99
Cheaper than about 63% of the 1,099 comparable items (median $31.99).

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Specifications

No published specifications for this item yet.

Questions about this item

What USB port does the Ultra Fit SDCZ430-064G-G46 require for the 130MB/s read speed?

It needs a USB 3.1 port to reach the quoted 130MB/s; it will still work in USB 2.0 sockets at lower speed.

How do you install the drive and what step do people often miss?

Plug the low-profile body straight into the port — no driver install is required — but remember to use the OS eject command before pulling it out to avoid data loss.

What part of the SDCZ430-064G-G46 wears out and when should I replace it?

The internal NAND flash has a finite write-cycle life; replace the drive if files become unreadable or write speeds drop sharply after heavy use.

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