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Tiny black USB-A flash drive, low-profile plug-and-stay design

SanDisk

SanDisk Ultra Fit 256GB USB 3.1 Flash Drive SDCZ430-256G-G46

SKU CH-FWHR-T8025 MPN SDCZ430-256G-G46

Ultra-compact USB 3.1 flash drive adds 256 GB of plug-and-stay storage with read speeds up to 400 MB/s

  • Total capacity256 GB
  • USB standardUSB 3.1 Gen 1
  • USB port typesType A
  • Max read speedup to 400 MB/s
  • Security features128bit AES Encryption
  • Product colorBlack

USB Specification USB 3.1 Gen 1

Capacity 256GB

Figure 1 Pack

  • Ultra-compact plug-and-stay design adds storage without blocking adjacent ports
  • Read speeds up to 400MB/s move large files in seconds
  • 256GB capacity holds extensive media libraries and project files
  • 128-bit AES encryption with downloadable software protects sensitive data
  • Backwards compatible with USB 3.0 and USB 2.0 ports

Compact plug-and-stay design

The SanDisk Ultra Fit 256GB USB 3.1 flash drive adds storage without protruding from the port. Its low-profile form factor suits laptops, game consoles and in-car audio systems where space is tight. The drive is ready to use immediately after insertion.

Driver-free setup with optional software

Installation requires only plugging the Type A connector into a compatible port; no drivers are needed for basic operation. The 128-bit AES encryption and RescuePRO Deluxe recovery tools are provided via a separate download. Users who skip the software install will not have password protection or file-recovery features enabled.

Suits users needing discreet portable capacity

This drive fits anyone who wants up to 256GB of extra space that stays permanently attached to a device. Buyers who require larger capacities, ruggedised housings or hardware-based encryption without software should look at alternative solutions.

How it compares

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

Price $33.99
Typical for this category: the median of 1,099 items is $31.99.
Total capacity 256 GB
Higher than about 80% of the 746 comparable items (median 64 GB).
Price per TB $132.77 per TB
Cheaper than about 85% of the 600 comparable items (median $226.48 per TB).

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Specifications

Product
Brand nameSanDisk
Product lineUltra Fit
Model nameSDCZ430-256G-G46
Total capacity256 GB
Product colorBlack
Performance
Max read speedup to 400 MB/s
Ports & slots
USB standardUSB 3.1 Gen 1
USB port typesType A
Size & build
Product dimensions0.2 in × 0.56 in × 1.17 in
Product weight0.05 oz
Shipping weight0.02 kg
Package size152 × 102 × 10 mm
More details
Security features128bit AES Encryption

Other versions of this model

5 more in the same range

Questions about this item

How can I verify the drive is delivering the advertised 400MB/s read speed after I plug it in?

Copy a large file to the drive and time the transfer; speeds near 400MB/s confirm the USB 3.1 Gen 1 link is active, while much lower rates suggest a USB 2.0 port.

What comes in the package and is any extra cable or adapter required?

The box contains only the 256GB Ultra Fit flash drive itself; its integrated Type A connector plugs directly into a USB 3.0 or 2.0 port with no separate cable needed.

Which capacity in the Ultra Fit line should I pick if I want the 400MB/s read speed?

The 256GB model you are viewing is rated for up to 400MB/s reads; the 128GB version in the same series shares that speed rating.

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