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SanDisk Ultra Fit 512GB USB-A Flash Drive 400 MB/s Read USB 3.2 Gen 1 Ultra-Compact Plug and Stay

Brand:
Sandisk
SanDisk Ultra Fit USB flash drive 512 GB SDCZ430-512G-G46
SanDisk Ultra Fit 512GB USB-A Flash Drive 400 MB/s Read USB 3.2 Gen 1 Ultra-Compact Plug and Stay
€221.74 inc. VAT
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SDCZ430-512G-G46
€186.34
€221.74 inc. VAT
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Product Code
M222406
EAN Code
0619659179328
Manufacturer
Sandisk

Quick Specs

Capacity
512 GB
Read speed
Up to 400 MB/s
Connector
USB Type-A
Weight
1.3 g
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SanDisk Ultra Fit 512GB USB-A — 400 MB/s read in a 1.3-gram drive

400 MB/s readUSB-A connector1.3 grams512 GB

The SanDisk Ultra Fit, part number SDCZ430-512G-G46, is 512 GB in a drive that weighs 1.3 grams and sticks out barely more than a fingernail. It reads at 400 MB/s over USB 3.2 Gen 1 and uses the standard rectangular USB-A connector. It is designed to be plugged into a laptop or a car stereo and simply left there.

Compatibility — check before buying:
USB-A only. This is the rectangular connector, so it fits most laptops, desktops, TVs and car head units — but not a USB-C port and not a phone without an adapter. The USB-C equivalent in the same tiny format is the Extreme Fit, part SDCZ530; the names are close enough to cause mistakes. SanDisk rates this drive for 0 to 35 degrees Celsius, which a parked car in a Cyprus summer exceeds. No write speed is published. In the box: the drive alone — no cable, adapter or case.

Best For

✓ A drive left permanently in a laptop
✓ Adding storage to a car stereo or TV
✓ Machines with USB-A ports
✓ A media library that stays plugged in
✓ Laptops with too few ports to waste
✓ Anyone who dislikes drives that stick out

Key Features

 
Barely there — 1.3 grams and 30 mm long
About half of that length is the connector itself, so the drive protrudes very little from the port. That is the whole design: extra storage that becomes part of the machine rather than something you plug in and remove.
 
400 MB/s read at 512 GB
SanDisk rates this line at 400 MB/s for the larger capacities, and 512 GB is one of them. It is the same headline read speed as the far larger Ultra Luxe and Ultra Slider drives, in a fraction of the volume.
 
USB-A, which is still what most things have
Car stereos, televisions, media players and older laptops overwhelmingly use USB-A. A tiny USB-C drive is useless in all of them. If your world is still rectangular ports, this is the drive that fits it.
 
Rated to 35 degrees Celsius
SanDisk publishes an operating range of 0 to 35 degrees for this drive. A car interior in July here goes well past that, which is worth knowing precisely because this drive is one people leave permanently in a car stereo.

Technical Specifications

Identification
Brand SanDisk
Series SanDisk Ultra Fit USB 3.2 (USB-A)
Part Number SDCZ430-512G-G46
EAN / GTIN 0619659179328
MPN SDCZ430-512G-G46
Performance
Sequential read Up to 400 MB/s at 512 GB
Sequential write SanDisk does not publish a write speed for this line
Interface USB 3.2 Gen 1, 5 Gbps, backward compatible
Connector USB Type-A only
Physical
Dimensions 29.8 x 14.3 x 5.1 mm
Weight 1.3 g
Design Low-profile, intended to stay in the port
Operating temperature 0 °C to 35 °C
Capacity 512 GB
Software & box
Bundled software RescuePRO Deluxe and the SanDisk app, both downloads
Contents Flash drive only — no cable, adapter or case
Warranty & Support
Warranty 1-Year Warranty (Singular)
Manufacturer Term SanDisk publishes a 5-year limited warranty on the Ultra Fit line. Singular direct warranty is 1 year; beyond that we assist you with the manufacturer warranty process for its full duration.

Frequently Asked Questions

Is this the same as the Extreme Fit?
No, and the difference is the connector. The Ultra Fit is USB-A; the Extreme Fit, part SDCZ530, is USB-C. Both are tiny and both read 400 MB/s at these capacities. Buying the wrong one leaves you with a drive that will not physically plug into your machine, so check which ports you have first.
Can I leave it plugged into my car stereo?
Physically yes, and that is a common use. The caution is temperature: SanDisk rates the drive to 35 degrees Celsius and a car parked in the sun here goes far above that. If it will live in a vehicle year-round, treat it as a consumable and keep a copy of the music elsewhere.
Will it work in a USB 2.0 port?
Yes, at the port own speed, which is roughly five times slower. Older televisions and car stereos are frequently USB 2.0. The drive still works; it simply will not reach 400 MB/s there.
How fast does it write?
SanDisk publishes no write figure for this line at any capacity. Filling 512 GB will take considerably longer than the read speed suggests. If write speed is what you are choosing on, tell us and we will suggest a drive that states it.
Singular Expert Insight
The Ultra Fit and the Extreme Fit are the same idea with different plugs, and at 512 GB they read at the same 400 MB/s — so the only question is whether your machines have rectangular USB-A ports or USB-C. Get that wrong and the drive is unusable, which is why we put the connector in the product name rather than leaving it to the specification table. The other thing worth planning around is the 35 degree rating: this is the drive people leave in a car stereo, and a car here is not a 35 degree environment in August. See the rest of our USB flash drives, or an external SSD if you need a drive to work from rather than store on.

Buyer’s Guide

Buy it if

You want 512 GB that disappears into a USB-A port on a laptop, a TV or a car stereo, reading at 400 MB/s, and you will leave it plugged in.

Skip it if

Your machine has USB-C ports — the Extreme Fit SDCZ530 is the same drive with the right connector. Skip it too for a vehicle that bakes in summer, given the 35 degree rating.

Also consider

The Extreme Fit SDCZ530 is the USB-C version at the same 400 MB/s. The Dual Drive Go carries both connectors if your machines are mixed.

Features - Sandisk - SDCZ430-512G-G46

Interface
  • USB3.2
More Details
Product Code
M222406
EAN Code
0619659179328
Manufacturer
Sandisk
Technical specifications
Capacity
512GB
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