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SanDisk 128GB Ultra Fit USB 3.1 Flash Drive - SDCZ430-128G-G46

by SanDisk

1,231 customer reviews

| 141 answered questions

Amazon's Choice for "sandisk usb flash drive"

List Price:	$37.99
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Size: 128GB

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A compact, plug-and-stay, high-speed USB 3.1 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 256GB of storage to your device
Read speeds up to 130MB/s1. Compatibility-USB 3.1 (backward compatible with USB 3.0 and USB 2.0). Operating Temperature-0 degree C to 35 degree C
Write up to 15X faster than standard USB 2.0 drives1
Move a full-length movie to the drive in less than 30 seconds

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From the manufacturer

SanDisk Ultra Fit USB 3.1 Flash Drive

The simple way to add extra, high-speed storage to your device! The SanDisk Ultra Fit USB 3.1 Flash Drive delivers performance that lets you 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.

What’s in the box

SanDisk Ultra Fit USB 3.1 Flash Drive.

At a Glance:

A compact, plug-and-stay, high-speed USB 3.1 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 256GB* of storage to your device
Read speeds up to 130MB/s(1)
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)
Keep private files private with included SanDisk SecureAccess software(3)


Compact Plug-and-Stay Design This compact flash drive is designed as plug and-stay storage for laptops, tablets, TVs, car audio systems, and more. Plug it in, and you’ve got instant storage that’s always on board!	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)	SanDisk SecureAccess Software Helps Protect Your Privacy Create a private folder on your drive with SanDisk SecureAccess software.(3) This 128-bit AES encryption software makes it easy to password-protect critical files. Drag and drop files into the vault, and they'll be encrypted.


Easy File Recovery with RescuePRO Deluxe Software The drive comes with a RescuePRO Deluxe data recovery software download offer.(4) This software makes it easy to recover files that have been accidentally deleted (download required).	Compatible with USB 3.0 and 2.0 Ports The SanDisk Ultra Fit USB 3.1 Flash Drive is backward-compatible, so you can plug it into any USB 3.0 or 2.0 port.

Legal Disclaimers

* 1GB=1,000,000,000 bytes. Actual user storage less.

(1) 32GB, 64GB, 128GB, 256GB: 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.

(2) Based on 1.2GB MPEG-4 video transfer to drive 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 Vista, Windows 7, Windows 8, Windows 10 and Mac OS X v10.7+ (Software download required for Mac, see the official website.)

(4) Registration required; terms and conditions apply.

		Samsung MUF-128AB/AM FIT Plus 128GB - 300MB/s USB 3.1 Flash Drive	SanDisk Ultra Flair 128GB USB 3.0 Flash Drive - SDCZ73-128G-G46	Samsung BAR Plus 128GB - 300MB/s USB 3.1 Flash Drive Champagne Silver (MUF-128BE3/AM)	SanDisk Ultra Fit 128GB USB 3.0 Flash Drive (SDCZ43-128G-G46) [Older Version]	SanDisk 64GB Cruzer Fit USB Flash Drive - SDCZ33-064G-G35
	Add to Cart	Add to Cart	Add to Cart	Add to Cart	Add to Cart	Add to Cart
Customer Rating	(1231)	(316)	(3428)	(991)	(5457)	(7)
Price	$21.99	$28.20	$23.99	$27.81	$28.94	$10.99
Shipping	FREE Shipping on orders over $25	FREE Shipping on orders over $25	FREE Shipping on orders over $25	FREE Shipping on orders over $25	FREE Shipping on orders over $25	FREE Shipping on orders over $25
Sold By	Amazon.com	Amazon.com	Amazon.com	Amazon.com	Memoryten	Amazon.com
Color	—	—	—	Silver	Black, metallic	—
Digital Storage Capacity	128 GB	128 GB	16 GB	128 GB	128 GB	16 GB
Hardware Connectivity	USB 3.0	USB 3.0	USB 3.0	USB 3.0	USB 2.0, USB 3.0	USB
Item Dimensions	0.75 x 0.63 x 0.35 in	0.9 x 0.7 x 0.3 in	0.26 x 1.67 x 0.52 in	1.58 x 0.61 x 0.47 in	0.34 x 0.64 x 0.75 in	0.69 x 0.5 x 0.03 in
Item Weight	0.05 ounces	0.11 ounces	1.92 ounces	0.04 ounces	0.18 ounces	0.06 ounces
Memory Storage Capacity	128 GB	128 GB	128 GB	128 GB	128 GB	64 GB

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Product description

Size:128GB

Thanks to its compact design, you can plug in the SanDisk Ultra Fit USB 3.1 Flash Drive and leave it in, making it the simple way to add extra, high-speed storage to your device! It delivers write speeds that are up to 15x faster than with a standard USB 2.0 drive so you can move a full-length movie in less than 30 seconds. Plus it includes SanDisk Secure Access software for password protection and 128-bit encryption to keep your private files private.

Product information

Size:128GB

Technical Details

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Summary : Screen Size, Screen Resolution, Graphics Coprocessor, Graphics Card RAM

RAM

128 GB

Other Technical Details

Brand Name

SanDisk

Series

ULTRA FIT USB 3.1

Item model number

SDCZ430-128G-G46

Item Weight

0.16 ounces

Product Dimensions

0.8 x 0.6 x 0.3 inches

Item Dimensions L x W x H

0.75 x 0.63 x 0.35 inches

Additional Information

ASIN

B07855LJ99

Customer Reviews

1,231 customer reviews

4.0 out of 5 stars

Best Sellers Rank

#7 in USB Flash Drives

Shipping Weight

0.64 ounces (View shipping rates and policies)

Date First Available

January 8, 2018

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.

Product Warranty: For warranty information about this product, please click here. [PDF ]

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Deborah M. Smolinske

Drives fail with "overuse"!!

August 17, 2018

Size: 256GBVerified Purchase

I've bought 14 of these drives over the last eight months. As of today, FIVE of the fourteen have failed. But when I say failed, they haven't lost the data on them; they are simply locked and won't mount. A phone call to Sandisk and I'm told that this is a "safety feature" so my data won't be lost. How is it a "safety feature" when I can't access my data? The only solution Sandisk has offered is to replace the drive and I can send the "failed" drive to a third party and pay $50 to have the data recovered. That's NOT a solution!

After paying close attention to when and how this happens, it appears to be caused by moving large blocks of files from one of the Sandisk drives to another location. At some point during the copy, an error message pops up that the USB drive can no longer be read and it will vanish from my desktop. No amount of moving it or trying to mount it using the computer's disk utilities or trying to read it in another USB port will help. It's locked and nothing will unlock it!

Do NOT buy these if you're planning to move files around. I believe they heat up too much, which then triggers this "safety feature" and causes you to be unable to access your data. I'm extremely unhappy with this "safety feature" and with Sandisk's response to the issue. Will NEVER buy anything Sandisk ever again!

342 people found this helpful

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Comment

T. A. Nicolai

Serves its purpose. 256GB model

January 23, 2018

Size: 256GBVerified Purchase

Capacity is great. Small profile is great. That claimed 130MB is read speed. Please note... write speeds state UP TO 15X over USB 2 speeds. Key words here are UP TO.

I use this device to store flac music files for playback in my car. I have plugged this drive into USB 2, 3 & 3.1 ports for writing purposes. I have seen extremely marginal performance differences between USB 3 & 3.1 (fluctuates between 35 - 55 MB when writing anywhere from 200MB - 2GB at a time). On a USB 2 port I get speeds around 20 MB on average. I will post test results and adjust figures as needed later as I am going from memory at this point.

On another point, the frame of this no longer appears to be made of metal. I would say it is made of some type of composite material. I believe this was done with a purpose on the manufacturer to alleviate the heat issues with the previous model (which I also own) While it still gets warm while writing, it no longer gets hot to the touch like the previous model did. The heat dissipates much quicker. Given that, I do worry about the longevity and duability of this device should it have to be used and plugged in frequently in many devices.

Overall, it serves my purposes. Write speeds could be better and durability could be an issue. Hence, my reason for three stars.

**********Edit**********

I have included Crystalmark tests (1 @ 500MB in size for USB 2 & 3). I did 5 tests while having it plugged into a USB 3.1 gen 2 port (1 of each @ 500MB, 1GB, 2GB, 4GB & 8GB). Speeds start dropping down the larger the test file was.
Speed breakdown for the images is as follows for those that were wondering:
USB 2.0 image is the read speed of 40.22 & write speed of 17.01
USB 3.0 image is the read speed of 126.2 & write speed of 50.41
USB 3.1 gen 2 images are the remaining 5 images as well as the windows copying images

Just for a test, I copied over an approximately 4GB video file to the drive via the USB 3.1 gen 2 port (see the windows copying images). At the halfway point of the file, the speed starts to drop off and never recovers. Looks like the video file maintained a good 64 MB until the halfway mark.

400 people found this helpful

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Paul K.

Not durable enough for every day transfer use.

April 16, 2018

Size: 128GBVerified Purchase

The pros. Small form factor, and doesn't get super hot like the metal one.
The cons. It is made out of paper thin plastic. I had it come apart inside of the only USB port my Surface pro has. It was quite the challenge to fish the piece out without damaging my device.

I would only recommend this if you plan to install it and leave it. If like me, you need a portable device to transfer files from machine to machine, look elsewhere.

221 people found this helpful

Helpful

Comment

Gennaro M.

Still works...

March 15, 2018

Size: 128GBVerified Purchase

Really wish it wasn't plastic. After constant use it started to crack, then broke in my laptop. I needed to fish the broken pieces out with a blade. I am sticking to metal drives from now on as I am noy satisfied with this.

119 people found this helpful

Helpful

Comment

Arwen

Great little, high capacity flash drive

March 3, 2018

Size: 256GBVerified Purchase

I wanted a larger flash drive for backing up my laptop, (not my only backup device). This was the largest capacity, but smallest size I could find. After it arrived, I ran the standard fake flash check, and this drive really was 256GB. Copying my laptop's OS image went smoothly, and faster than my old 32GB flash drive. But, that was USB 2 device...

A test boot and use found it to be both reliable, and fast enough in case something happens to my normal SSD. Even bringing up LibreOffice was quick, less than 5 seconds.

Note that I over-wrote the built-in FAT32 file system, as I use ZFS on Linux. This drive works just fine with alternate OSes & file systems. And my current laptop only has USB 3.0, (5Gbps), with slower processors, (dual core Celeron). So this flash drive would likely be faster on newer hardware.

Last, I knew this was not as fast as some of the smaller capacity flash drives. Check the specifications, and make sure you understand that before you buy.

74 people found this helpful

Helpful

Comment

Vickie Buckner

Older model was better.

May 16, 2018

Size: 256GBVerified Purchase

We've been using the previous model of these ultrafit drive for years as an easy way to add permanently-attached storage to MacBook Pros (all with USB 3.0+). Just plug it in, format it, and forget it. They always worked great and always performed well. We just ordered 3 of this new model (the 256GB) and noticed very slow write-speeds. Checking System profiler it's easy to see that the old model registered full-speed every time it is inserted, but this new model often reverts down to USB 2.0 speeds. We've tested all three drives and it's happening with all three of them. If we didn't desperately need the 256GB of storage in a tiny form-factor we would return all three of them. As it stands, the performance issue really won't be much of an issue (they mostly house lots of relatively small files), but if you will be relying on needing reliable USB 3.0 speeds you may want to look elsewhere.

109 people found this helpful

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From the manufacturer

SanDisk Ultra Fit USB 3.1 Flash Drive

What’s in the box

At a Glance:

Compact Plug-and-Stay Design

High-speed USB 3.1 Performance

SanDisk SecureAccess Software Helps Protect Your Privacy

Easy File Recovery with RescuePRO Deluxe Software

Compatible with USB 3.0 and 2.0 Ports

Legal Disclaimers

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Product description

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Technical Details

Additional Information

Warranty & Support

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