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SanDisk 512GB Ultra Fit USB 3.2 Flash Drive - SDCZ430-512G-G46, Black

4.6 4.6 out of 5 stars 63,129 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in USB Flash Drives by Sandisk

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Available at a lower price from other sellers that may not offer free Prime shipping.
Up to 130 MB/s
512GB

Purchase options and add-ons

Brand Sandisk
Memory Storage Capacity 512 GB
Hardware Interface USB
Special Feature Compact
Write Speed 15X

About this item

  • A compact, plug-and-stay, high-speed USB 3.2 flash drive that’s ideal for adding more storage to laptops, game consoles, in-car audio and more
  • Simple, fast way to add up to 512GB of storage to your device [1GB=1,000,000,000 bytes - Actual user storage less]
  • Read speeds up to 130MB/s(1) [(1) Write to drive up to 15X faster than standard USB 2.0 drives (4MB/s); USB 3.2 Gen 1 or USB 3.0 port required. Based on internal testing; performance may be lower depending on host device; 1MB=1,000,000 bytes]
  • Write up to 15X faster than standard USB 2.0 drives(1)
  • Move a full-length movie to the drive in less than 30 seconds(2) [(2) Based on 1.2GB MPEG-4 video transfer with USB 3.2 Gen 1 or USB 3.0 host device; Results may vary based on host device, file attributes and other factors]
  • Keep private files private with included SanDisk SecureAccess software(3) [(3) Password protection uses 128-bit AES encryption and is supported by Windows 7, Windows 8, Windows 10 and macOS v10.9 plus (Software download required for Mac, visit the official SanDisk website for SecureAccess details)]
  • Five-year limited manufacturer warranty [Visit the official SanDisk website for warranty details]
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SanDisk 512GB Ultra Fit USB 3.2 Flash Drive - SDCZ430-512G-G46, Black
SanDisk 512GB Ultra Fit USB 3.2 Flash Drive - SDCZ430-512G-G46, Black
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Price-61% $34.99
List:$89.99
-44% $50.75
List:$89.99
$25.04-11% $20.53
List:$22.99
-61% $109.99
List:$279.99
$34.99
Delivery
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Customer Ratings
Portability
4.6
4.7
4.5
4.7
4.8
4.7
Storage Capacity
4.5
4.5
4.1
4.6
4.6
4.5
Easy to use
4.4
4.5
4.3
4.5
4.5
4.5
Value for money
4.1
4.3
3.9
4.1
4.2
4.3
Durability
3.9
4.3
4.3
4.4
Sold By
Amazon.com
CWP Online
Amazon.com
CWP Online
Amazon.com
Amazon.com
memory capacity
512 GB
128 GB
256 GB
32 GB
1 TB
512 GB
write speed
15X
10x
4 MB per second
380 megabits per second
40 MB per second
read speed
130 megabytes per second
130 megabytes per second
130 megabytes per second
420 megabytes per second
130 megabytes per second
hardware interface
usb
usb
usb3.0, usb2.0
usb3.0, usb, usb2.0
usb3.0, usb2.0
usb3.0, usb2.0

Product information

Technical Details

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Additional Information

Warranty & Support

Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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SanDisk 512GB Ultra Fit USB 3.2 Flash Drive - SDCZ430-512G-G46, Black


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From the manufacturer

M01_Hero1.jpg
High-speed USB 3.1 Performance

High-speed USB 3.1 Performance

With write speeds up to 15x faster than standard USB 2.0 drives,(1) you can move a full-length movie to the drive in less than 30 seconds(2).

Compact Plug-and Stay Design

Compact Plug-and Stay Design

Designed for plug-and-stay storage, this compact flash drive works with laptops, tablets, TVs, gaming consoles, car audio systems, and more. Plug it in, and you’ve got instant storage that’s always available!

Compatible with USB 3.0 and 2.0 Ports

Compatible with USB 3.0 and 2.0 Ports

The SanDisk Ultra Fit USB 3.1 Flash Drive is backwards compatible, so you can plug it into any USB 3.0 or 2.0 port.

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Ultra Fit USB 3.1

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Ultra Luxe USB 3.1

Ultra Luxe USB 3.1

Extreme PRO USB 3.2

Extreme PRO USB 3.2

Ultra Dual Drive Luxe USB 3.1

Ultra Dual Drive Luxe USB

Customer Reviews
4.6 out of 5 stars
63,129
4.4 out of 5 stars
2,295
4.5 out of 5 stars
11,914
4.7 out of 5 stars
4,279
4.4 out of 5 stars
15,838
Capacity
Up to 512GB(1A) Up to 256GB Up to 512GB Up to 1TB Up to 1TB
Connector
Single Single Single Single Dual
Connector Type
USB Type-A USB Type-C USB Type-A USB Type-A USB Type-C and USB Type-A
Speed
Up to 130 MB/s(1) Up to 150 MB/s Up to 150 MB/s Up to 420 MB/s Up to 150 MB/s
Design
Plug-and-Stay Retractable All-metal Retractable All-metal swivel
Keyring Hole
No Yes Yes Yes Yes

(1) 32GB, 64GB, 128GB, 256GB, 512GB: Write up to 15X faster than standard USB 2.0 drives (4MB/s), read speeds up to 130MB/s. 16GB: Write faster than standard USB 2.0 drives (4MB/s); read speeds up to 130MB/s. USB 3.1 Gen 1 or USB 3.0 port required. Based on internal testing; performance may be lower depending on host device. 1MB=1,000,000 bytes.

(1A)1GB=1,000,000,000 bytes. Actual user storage less.

(2) 32GB and above capacities only. Based on 1.2GB MPEG-4 video transfer with USB 3.1 Gen 1 or USB 3.0 host device. USB 3.1 Gen 1 or USB 3.0 port required. Results may vary based on host device, file attributes and other factors.

(3) Password protection uses 128-bit AES encryption and is supported by Windows 7, Windows 8, Windows 10 and macOS v10.9+ (Software download required for Mac, visit the official SanDisk website for SecureAccess details)

(4) Registration required; terms and conditions apply.

SanDisk, the SanDisk logo, SanDisk SecureAccess and SanDisk Ultra Fit are marks of Western Digital Corporation or its affiliates in the US and/or other countries. All other marks are the property of their respective owners.

2022 Western Digital Corporation or its affiliates. All rights reserved.

Western Digital Technologies, Inc. is the seller of record and licensee in the Americas of SanDisk products.

Product Description

The simple way to add extra, high-speed storage to your device! The SanDisk Ultra Fit USB 3.1 Flash Drive delivers performance that allows you to move a full-length movie up to 15x faster than with standard USB 2.0 drives.(1) Plus, thanks to its compact, streamlined design, you can plug it in and leave it in. | *1GB=1,000,000,000 bytes. Actual user storage less | (1)Write to drive up to 15X faster than standard USB 2.0 drives (4MB/s); up to 130MB/s read speed. USB 3.1 Gen 1 or USB 3.0 port required. Based on internal testing; performance may be lower depending on host device. 1MB=1,000,000 bytes | (2)Based on 1.2GB MPEG-4 video transfer with USB 3.1 Gen 1 or USB 3.0 host device. Results may vary based on host device, file attributes and other factors. | (3)Password protection uses 128-bit AES encryption and is supported by Windows 7, Windows 8, Windows 10 and macOS v10.9+ (Software download required for Mac, visit the official SanDisk website for SecureAccess details) | (4)Registration required; terms and conditions apply..

Customer reviews

4.6 out of 5 stars
4.6 out of 5
63,129 global ratings

Customers say

Customers like the performance, fit and storage space of the flash drive. For example, they mention that it works well, it's compact and lightweight, and has a large storage capacity. Some appreciate the ease of use. That said, opinions are mixed on quality, speed, and value.

AI-generated from the text of customer reviews

1,175 customers mention901 positive274 negative

Customers like the performance of the flash drive. For example, they say it works well, is a good working horse, and is useful for backup purposes. Some are impressed with its performance and reliability. That said, most are happy with their purchase and recommend it to others.

"...Works perfectly and the audio quality is excellent." Read more

"...Worked right out of the packaging. (I own 3 of these) They all work great but have their pros and cons.Pros: Cheap. Memory is accurate...." Read more

"...this drive for several months now, and I am very impressed with its performance and reliability...." Read more

"...to do with the broken casing or not, but now it is no longer usable either in the computer or in the car...." Read more

1,118 customers mention909 positive209 negative

Customers like the fit of the flash drive. They say it's compact, lightweight, and barely takes up any space. Some customers even forget it' s plugged into their laptop. Overall, customers are satisfied with the fit and functionality of the product.

"...GB Ultra Fit USB 3.1 is an excellent choice for anyone looking for a compact and high-capacity USB drive...." Read more

"...Works very reliably and has a very small size so you can put it on a keychain or lanyard...." Read more

"I used this one for a modded Wii. Works great. Lot's of room. Small." Read more

"...But this flash drive is so small that I honestly forget it's plugged into my computer...." Read more

673 customers mention556 positive117 negative

Customers like the storage space of the flash drive. For example, they say it has a large storage capacity and a small physical size. Some say it doubled their overall space and works great for extra storage. That said, most are happy with the memory accuracy and the fact that it's a low profile high capacity USB drive.

"This scandisk has a very large capacity but must be formatted accordingly in order for it to take advantage of the capacity...." Read more

"...Pros: Cheap. Memory is accurate. Affordable. Plug and play...." Read more

"...Despite its small size, it has an impressive capacity of 256GB, which is more than enough for my needs...." Read more

"I used this one for a modded Wii. Works great. Lot's of room. Small." Read more

252 customers mention177 positive75 negative

Customers like the ease of use of the flash drive. They mention that it has great storage capacity, is easy to install, and can be attached to a keychain. Some say that setting up Time Machine was easy. Overall, most are satisfied with the quality and ease of usage of the product.

"...on vehicle, playback is seamless, quality is high, and ability to navigate through folders and such is on par...." Read more

"Easy to use without the irritating application on all back-up drives. Also love the large capacity for a flash drive!" Read more

"...write multiple files to the drive it tends to get laggy and can take quite awhile longer so I suggest a file at a time...." Read more

"...The drive is compact and lightweight, which makes it useful and convenient for short to medium term storage option for laptops...." Read more

977 customers mention383 positive594 negative

Customers are mixed about the quality of the flash drive. Some mention it's well made, reliable, and holds up well. However, others say that it'll easily fall apart if you carry it on a key chain.

"...In the process of taking the drive out, I cracked the plastic case around the contacts... ultimately I was afraid it would break off into a USB port..." Read more

"...quality, the SanDisk 256GB Ultra Fit USB 3.1 feels very sturdy and well-made. The drive has a metal casing that gives it a premium look and feel...." Read more

"...that were off brands I purchased from Amazon because the flash drives would get corrupted by screwing up video files or start having very slow..." Read more

"...Depending on vehicle, playback is seamless, quality is high, and ability to navigate through folders and such is on par...." Read more

805 customers mention467 positive338 negative

Customers have mixed opinions about the speed of the flash drive. Some mention that it's fast and makes short work of moving files from one workstation to another, while others say that it’s not super fast and that the write speed is not fast enough.

"...The drive also has a USB 3.1 interface, which provides fast transfer speeds...." Read more

"...Slow read and write. Some files take longer however I have found if trying to write multiple files to the drive it tends to get laggy and can..." Read more

"...It has really fast transfer speeds for a thumb drive and i could leave it plugged in because of it's size, you could hardly see it when it's plugged..." Read more

"Fast transfers, huge capacity, but tiny. Once inserted into the USB port, it takes fingernails to get it out again...." Read more

489 customers mention335 positive154 negative

Customers are mixed about the value of the flash drive. Some mention it's a great value, with decent solid speeds and storage for the price. However, others say that it'd not be worth the hastle, is unusable, and disappointing.

"...Pros: Cheap. Memory is accurate. Affordable. Plug and play...." Read more

"Great capacity for the money. Super portable. The only downside is the super slow transfer rate. Get a portable SSD drive." Read more

"...Really not worth the time and headache to save a few bucks with these off brands...." Read more

"...Very good price for 256gb." Read more

394 customers mention77 positive317 negative

Customers are dissatisfied with the heat produced by the flash drive. They mention that it gets hot enough that handling it with bare hands is hesitant. Some customers also say that the dongle heats up a lot on files copy.

"...Memory is accurate. Affordable. Plug and play.Cons: Gets a tad warm if used too long but considering I have ran it for 8 hour straight..." Read more

"...reviews about this product identify similar concerns, it runs hotter than a full sized USB, it is a tight fit especially in USB 3.0 ports, the..." Read more

"...The drive was hot so it appears the drives have heat monitoring and suspend operation until the drive cools down some...." Read more

"...Leave it plugged into laptop. fits pretty flush. No issues with heat or transfer speeds. Small, portable...." Read more

Initial Thoughts are mixed...
4 Stars
Initial Thoughts are mixed...
This is a re-write so the details will be different.I wanted to expand the space in my Raspberry Pi to support a few LXD containers. Currently I am running a 32GB and 64GB without any issue. So I picked up the 128GB units.When I insert them into my Mac to format all five units show 125GB of storage. That was the first flag of notice for me. The drive was formatted with the LiveOS image and it seemed to take a little bit of time. Nothing major but it was fine. I then inserted it in the Raspberry Pi and booted and the time it took to setup was way longer than expected. I ran commands to update the OS and it took a much longer time than expected. I then took a second flash drive and formatted it (I had flashed the LiveOS onto it already) with APFS and it errored out but the drive looked fine. I copied files onto the drive and it took a really long time. I flashed it again with APFS and it once again errored out and the copy took a really long time. I then flashed the drive with EX FAT and the files copied fine. I flashed it again with EX FAT and no error and files copied fine. I then flash the LiveOS onto the drive again and once again the performance declined on the second drive the same as the first drive.The random IO on the drive for LiveOS use is not good, but if you format it with the right format the drive does good with file copy / transfer performance.I came back and read other reviews and seen others have similar experience already with these drives in my use case scenario.Hopefully this helps someone before purchase to make the right decision based on their use case. Drive works great with EX FAT format and not so good with LiveOS usage to boot off a drive.The packaging the drives came in was weird also. They arrived in a unmarked box with a label identifying the drives and bubble wrap.
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Top reviews from the United States

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4.0 out of 5 stars Didn't Last For Me
Reviewed in the United States on August 20, 2023
I bought this drive to use for music file storage in my car. I had to get it formatted correctly and get all of the files on there, but once it was set up it worked just fine... there were some minor problems that I attribute to a buggy infotainment system in the car and not to this flash drive. It worked fine for over a year. Now, keep in mind, this is leaving the flash drive plugged in inside the car all of the time, freezing cold weather, 100 degree hot weather, all of it. The only time it got unplugged from the car was when I was adding files to it. In the long run I maxed out the number of songs the car can recognize (about 10,000).

A few months ago the infotainment system got confused and started showing up some playlists twice. I took the drive out to see if I could somehow reset whatever the car reads, but as it turns out there doesn't appear to be any kind of file the car writes on the drive (maybe it's stored internally on the car). In the process of taking the drive out, I cracked the plastic case around the contacts... ultimately I was afraid it would break off into a USB port so I took that part off entirely (see photo).

Yesterday I decided that I would try reformatting the drive to see if that solved the problem. I copied all of the content off (which took a good 5-6 hours) and tried to reformat the drive, but apparently now Windows sees it as write protected and I can't make it writable again. I don't know whether that has something to do with the broken casing or not, but now it is no longer usable either in the computer or in the car.

Maybe 20 months of that kind of constant use is a reasonable lifespan for a flash drive. I definitely wish I had gotten one with a metal casing instead of the plastic. I loved the form factor for what I needed, and it was reliable enough until I tried to reformat it. So take this review with a grain of salt - I'd consider my use case to be a fairly rigorous one. If you're considering a similar situation, I'm not sure I can recommend this specific drive (unless I buy a different one and it lasts even less time - in which case I'll come back here and eat my words!)
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28 people found this helpful
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Reviewed in the United States on March 6, 2024
Style: Up to 130 MB/sSize: 512GBVerified Purchase

Top reviews from other countries

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Cliente de Kindle
3.0 out of 5 stars Muy lento
Reviewed in Mexico on February 25, 2024
Style: Up to 400 MB/sSize: 512GBVerified Purchase
Georges Chartrand
5.0 out of 5 stars GREAT storage!
Reviewed in Canada on January 31, 2024
Style: Up to 130 MB/sSize: 512GBVerified Purchase
One person found this helpful
Report
Jorge Riguette
5.0 out of 5 stars Prático e fácil de transportar além da capacidade ser boa, pois para ser melhor teria que ser 2TB.
Reviewed in Brazil on January 20, 2024
Style: Up to 130 MB/sSize: 512GBVerified Purchase
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Jorge Riguette
5.0 out of 5 stars Prático e fácil de transportar além da capacidade ser boa, pois para ser melhor teria que ser 2TB.
Reviewed in Brazil on January 20, 2024
Até o momento não tenho nada contra, funciona perfeitamente, só que essa invenção de USB 3.2 só um chamariz, meu PC é da DELL e 2 canecões frontais de 3.0 e os equipamentos acima de 2.0 funcionam com uma mínima velocidade acima, o que deveria ser ao menos 50% a mais, principalmente com essa capacidade e não é problema do pen-drive, pode até se do próprio PC. Para finalizar digo que estou satisfeito com o produto, não tanto com esperava mas valeu a pena a capacidade e a segurança dos dados.
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Chema Buenechea
5.0 out of 5 stars Does what is sias in the can
Reviewed in the Netherlands on March 1, 2024
Style: Up to 130 MB/sSize: 128GBVerified Purchase
ANDERS HANSEN
5.0 out of 5 stars Wow, it's actually a half Terrabyte!
Reviewed in Sweden on February 21, 2024
Style: Up to 130 MB/sSize: 512GBVerified Purchase